Past Conferences in Arithmetic Geometry

Latest revision as of 22:38, 14 July 2017

This is an archive of conference listings from my wiki of conferences in arithmetic geometry. Since that wiki is no longer maintained (having been subsumed by this dynamic list), this archive has been frozen as of 2016.

Links for past conferences may no longer work (sic transit gloria mundi), but the Internet Archive may be helpful.

2006

• Combinatorics, Automata, and Number Theory, May 8-19, Liège
• Combinatorial and Additive Number Theory, May 17-20, CUNY Graduate Center, New York
• Symposion, June 6-9, SFB 478, Münster
• Rings of Low Rank, June 12-16, Lorentz Center, Leiden
• Hodge Theory, June 19-24, Venice International University, Venice
• Computational Number Theory and Applications to Cryptography, June 19-July 7, University of Wyoming, Laramie
• Arithmetic Geometry Conference, June 20-26, Steklov Institute, St. Petersburg
• Iwasawa 2006, July 3-7, Limoges
• Canadian Number Theory Association IX, July 9-14, University of British Columbia, Vancouver
• Recent Developments in the Arithmetic of Shimura Varieties and Arakelov Geometry (SVAG), July 10-15, CRM, Barcelona
• p-adic Modular Forms and Applications, July 17-21, CIRM, Luminy
• Clay Mathematics Institute 2006 Summer School: Arithmetic Geometry, July 17-August 11, Göttingen
• Summer Graduate Workshop in Computational Number Theory, July 31-August 11, MSRI, Berkeley
• ANTS VII, July 23-28, TU Berlin
• Magma 2006, July 30-August 2, TU Berlin
• ICM satellite conference: Second International Conference on Mathematical Software (ICMS'2006), September 1-3, Castro Urdiales
• ICM satellite conference: Arithmetic Algebraic Geometry, September 4-8, El Escorial
• Arithmetic Algebraic Geometry, September 11-15, RIMS, Kyoto
• Bryan Birch's 75th Birthday, September 15-16, Heilbronn Institute, Bristol
• ECC (Elliptic Curve Cryptography) 2006, September 18-20, Fields Institute, Toronto
• Algorithms in Algebraic Geometry, September 18-22, IMA, University of Minnesota, Minneapolis
• India-UK Number Theory Conference, September 18-23, Institute of Mathematical Sciences, Chennai
• Quantum cryptography and computation, October 2-6, Fields Institute, Toronto
• AMS Western Section Meeting special session on number theory, October 7-8, University of Utah, Salt Lake City
• SAGE Days 2, October 6-10, University of Washington, Seattle
• Number Theory and Cryptography: Open Problems, October 9-13, IPAM, UCLA, Los Angeles
• Southern California Number Theory Day, October 14, Irvine
• Subconvexity Bounds for L-functions, October 16-20, AIM, Palo Alto
• Software for Algebraic Geometry, October 23-27, IMA, University of Minnesota, Minneapolis
• AMS Eastern Section Meeting special session on number theory, October 28-29, University of Connecticut, Storrs
• Computational Challenges Arising in Algorithmic Number Theory and Cryptography, October 30-November 3, Fields Institute, Toronto
• Hot Topics: Modularity for GL(2) and Beyond, October 30-November 3, MSRI, Berkeley
• p-adic Arithmetic Geometry, November 20-22, RIMS, Kyoto
• International Conference on Number Theory, December 1-5, Harish-Chandra Institute, Allahabad
• West Coast Number Theory Conference, December 17-21, Ensenada (México)

2007

• AMS National Meeting special sessions on arithmetic geometry and arithmetic of function fields, January 5-8, New Orleans
• Interactive Parallel Computation in Support of Research in Algebra, Geometry and Number Theory, January 29-February 2, MSRI, Berkeley
• Arithmetic Geometry and Applications, January 29-February 4, Stellenbosch
• Explicit Methods for Rational Points on Curves, February 4-9, BIRS, Banff
• SAGE Days 3, February 17-21, IPAM, Los Angeles
• International Conference on Number Theory and Cryptography, February 23-27, Harish-Chandra Institute, Allahabad
• Arizona Winter School: p-adic geometry, March 10-14, University of Arizona, Tucson
• Conference on Hilbert's 10th problem, March 15-16, Clay Mathematics Institute, Cambridge, MA
• 21st Annual Automorphic Forms Workshop, March 24-27, UCSB, Santa Barbara, CA
• Arithmetic and Differential Galois Groups, May 13-19, Oberwolfach
• Galois Representations and Function Field Arithmetic, May 14-17, National Center for Theoretical Sciences, Hsinchu, Taiwan
• Illinois Number Theory Fest, May 16-20, Champaign-Urbana
• p-adic methods and rational points, May 18-20, Rényi Institute, Budapest
• L-functions and automorphic forms (in honor of Dorian Goldfeld's 60th birthday), May 18-23, Columbia U., New York
• Modular Forms: Arithmetic and Computation, June 3-8, BIRS, Banff
• Géométrie arithmétique, représentations galoisiennes et formes modulaires, June 6-8, Université Paris 13
• p-adic methods in arithmetic geometry and its applications, June 11-13, Tokyo
• SAGE Days 4, June 12-17, U. Washington, Seattle
• International conference on arithmetic geometry, June 13-19, Euler Institute, St. Petersburg
• Algebraische Zahlentheorie, June 17-23, Oberwolfach
• NATO Advanced Study Institute on Higher-Dimensional Geometry over Finite Fields, June 25-July 6, Göttingen
• Journées Arithmétiques, July 2-6, University of Edinburgh
• p-adic Analysis, Periods, and Physics, July 8-20, Benasque
• Summer School on Serre's Modularity Conjecture, July 9-20, Luminy (old link here)
• Summer School/Conference on Automorphic Forms and Shimura Varieties, July 9-27, Trieste
• Explicit Methods in Number Theory, July 15-21, Oberwolfach
• The Tate Conjecture, July 23-27, AIM, Palo Alto
• L-functions and Modular Forms, July 30-August 3, AIM, Palo Alto
• F-singularities and D-modules, August 6-10, Ann Arbor
• Iwasawa Summer School (for graduate students), August 7-13, McMaster U., Hamilton, Ontario
• Arithmetic Algebraic Geometry, September 3-7, Adam Mickiewicz U., Poznan
• Algebraic and Arithmetic Structures of Moduli Spaces, September 3-7, Hokkaido U., Sapporo
• 11th Workshop on Elliptic Curve Cryptography (ECC), September 5-7, University College, Dublin
• Of Ramification and Vanishing Cycles, September 10-14, Tokyo
• Summer School in Arithmetic Geometry, September 10-15, Cetraro (Cosenza)
• Asian Symposium on Arithmetic Geometry, September 15-18, KIAS, Seoul
• Cohomology of nonarchimedean period spaces and related moduli spaces, September 24-28, Max-Planck-Institut, Bonn
• Workshop in Arithmetic Geometry, September 24 - October 5, Chennai Mathematical Institute
• Maine-Québec Number Theory Conference, September 29-30, Orono
• SAGE Days 5: Computational Arithmetic Geometry, September 30-October 3, Clay Institute, Cambridge
• 3rd International Conference on p-Adic Mathematical Physics, October 1-6, Steklov Institute, Moscow
• Arithmetic Algebraic Geometry network final conference, October 7-13, Cetraro
• Explicit Methods in Number Theory (in honor of Henri Cohen), October 15-19, Bordeaux
• Southern California Number Theory Day, October 27, UC Irvine
• p-adic Aspects of Differential Equations: Crystals, Mirror Symmetry & Modular Forms, November 5-8, Centre Interfacultaire Bernoulli, Lausanne
• Arithmetic, Geometry, Cryptography, and Coding Theory, November 5-9, CIRM, Luminy
• SAGE Days 6, November 10-14, Bristol

2008

• Cycles, Motives and Shimura Varieties, January 3-12, TIFR, Mumbai
• AMS/MAA Joint Meetings, special sessions in Automorphic Forms and Related Topics; Low Genus Curves and Applications; Modular Forms and Modularity, January 6-9, San Diego
• French-Japanese Winter School on Zeta and L-functions, January 8-11, 2008, Kanagawa, Japan
• Atle Selberg Memorial Program, January 11-12, IAS, Princeton
• The uniform boundedness conjecture in arithmetic dynamics, January 14-18, AIM, Palo Alto
• Automorphic forms, geometry, and arithmetic, February 3-9, Oberwolfach
• SAGE Days 7, February 5-9, IPAM, Los Angeles
• Arithmetic Applications of p-adic Analysis and Rigid Spaces, February 18-22, Regensburg
• SAGE Days 8, February 29-March 4, Austin
• Computational complexity: elliptic curves, March 2-9, Bellairs Institute (McGill), Barbados
• Midwest Number Theory Days, March 7-8, UIC, Chicago
• Arizona Winter School: Special functions and Transcendence, March 15-19, Tucson
• Arithmetic Geometry, March 23-29, NCBS, Bangalore
• Recent Developments in Number Theory: Selmer groups, L-functions, and Galois deformations, March 24-29, UCLA, Los Angeles
• Active Period in Arithmetic Geometry, April 14-June 20, Warwick
• Current developments and directions in the Langlands program, May 10-14, Northwestern U., Chicago
• ANTS VIII, May 17-22, Banff Centre, Banff
• Analytic number theory and higher rank groups, May 19-23, Courant (NYU), New York
• Hawaii workshop on the arithmetic of modular forms, May 21-24(25), Honolulu
• Variétés rationnellement connexes: aspects géométriques et arithmétiques, May 28-31, Strasbourg
• Canada-France Congress, special sessions in Analytic Number Theory; Arithmetic Geometry and Number Theory; Automorphic Forms, June 2-6, Montréal
• Galois Theory and Explicit Methods: Number fields, lattices, and curves, June 2-6, Cetraro
• Foundations of Computational Mathematics, Hong Kong, June 16-28 (workshop on computational number theory runs June 24-26)
• XIXèmes Rencontres Arithmétiques de Caen: arithmetic of function fields in positive characteristic, June 19-21, Caen
• Modular Forms and Arithmetic, June 28-July 2, MSRI, Berkeley
• Iwasawa 2008, June 29-July 4, Kloster Irsee, Germany
• Algebraic Geometry, June 30-July 4, Lorentz Center, Leiden
• Special semester in arithmetic geometry, July-December, Tata Institute, Mumbai
• Arithmetic and Algebraic Geometry, July 3-6, Tokyo
• p-adic Representations of p-adic Groups (summer school), July 7-12, Jussieu, Paris
• Canadian Number Theory Association X, July 13-18, Waterloo
• Generalizing theta correspondences, July 28-August 1, AIM, Palo Alto
• Arithmetic Algebraic Geometry, August 3-9, Oberwolfach
• The stable trace formula, automorphic forms, and Galois representations, August 10-17 (summer school); August 17-22 (workshop), BIRS, Banff
• Computing with modular forms, August 17-23, University of Bristol, UK
• p-adic differential equations: a conference in honor of Gilles Christol, September 6-9, Bressanone
• Elliptic Curve Cryptography 2008, September 22-24, Utrecht
• Workshop on Arithmetic Geometry, September 22-30, IIT, Guwahati
• Workshop on p-adic cohomology, September 29-October 2, Mainz
• Recent progress in arithmetic D-modules, October 3, Strasbourg
• Arithmetic Algebraic Geometry on the occasion of Michael Rapoport's 60th birthday, October 6-10, Bonn
• CADO workshop on integer factorization, October 7-9, LORIA, Villers-Lès-Nancy
• Sage Days 10, October 10-15, Nancy
• Galois Theory and Explicit Methods midterm meeting, October 13-17, Bordeaux
• Workshop on Arithmetic Geometry: Diophantine approximation and Arakelov theory, October 20-24, Fields Institute, Toronto
• WIN: Women in Numbers, November 2-7, BIRS, Banff
• Sage Days 11, November 7-10, Austin
• Analytic theory of GL(3) automorphic forms and applications, November 17-21, AIM, Palo Alto
• Workshop on Shimura Varieties, Automorphic Representations and Related Topics, November 25-28, Kyoto
• Arithmetic of K3 surfaces, November 30-December 5, BIRS, Banff

2009

Due to an uptick in activity, I decided to separate off long programs (two months or more) into a separate list. Here they are:

• Trimester on Diophantine equations, January-April, Hausdorff Centre, Bonn
• Rotating workshop on Analytic Continuation of Overconvergent Modular Forms, January-June, Paris/Nancy/London
• Non-Abelian Fundamental Groups in Arithmetic Geometry, July 20-December 18, Newton Institute, Cambridge (UK)
• Special year in analytic number theory, September 1, 2009-June 30, 2010, IAS, Princeton
• Research programme in arithmetic geometry, September 2009-July 2010, CRM, Barcelona

Back to the conference list. This includes individual conferences contained within the long programs listed above.

• Arithmétique et Géométrie, January 7-9, Strasbourg
• Pan Asian Number Theory, January 8-11, Pohang (Korea)
• Les mathématiques après Grothendieck, rétrospective et perspectives, January 12-16, IHÉS, Bures
• Sage Days 12, January 21-24, San Diego
• Conference on D-modules, January 26-29, Seville
• Workshop on new methods in Hilbert's 10th problem, February 8-15, Hausdorff Centre, Bonn
• Sage Days 13: Quadratic Forms and Lattices, February 28-March 2, University of Georgia
• Student Workshop on Quadratic Forms, Sums of Squares, Theta Functions and Integral Lattices, March 7-10, 2009, University of Florida
• Sage Days 14: Algebraic Geometry, March 9-12, MSRI, Berkeley
• 23rd Annual Workshop on Automorphic Forms and Related Topics, March 10-13, Bucknell University, Lewisburg, PA
• Conference on Quadratic Forms, Sums of Squares, Theta Functions and Integral Lattices, March 11-15, 2009, University of Florida
• Arizona Winter School: Quadratic Forms, March 14-18, Tucson
• Conference on HyperellIptic curves, discrete Logarithms, Encryption, etc., March 16-20, Frutillar (Chile)
• Spring School on p-adic methods in arithmetic algebraic geometry, March 29-April 7, Hebrew University, Jerusalem
• Arithmetic, geometry, cryptography and coding theory, March 30-April 4, CIRM, Luminy
• Arithmetic geometry and applications, April 6-10, Stellenbosch (South Africa)
• Counting points on varieties, April 20-24, Lorentz Center, Leiden (includes Hendrik Lenstra's sixtieth birthday, April 24)
• GeoCrypt: Conference on Geometry and Cryptography, April 27-May 1, Guadeloupe
• Bellairs workshop in number theory (Borcherds products), May 3-10, Bellairs (Barbados)
• Pairings in Arithmetic Geometry and Cryptography, May 4-6, Essen
• Leopoldina-Symposium in Algebraic and Arithmetic Algebraic Geometry, May 10-15, Ascona (Switzerland)
• Fields Cryptography Retrospective Meeting, May 11-15, Fields Institute, Toronto
• Sage Days 15, May 16-21, Seattle
• Algorithms and Number Theory, May 24-29, Schloss Dagstuhl
• Rencontres Arithmétiques de Caen: Cohomologies p-adiques, June 11-13, Caen
• Doctoral program on Diophantine Geometry, June 14-26, Rennes
• Arithmetic Algebraic Geometry, June 15-19, Bielefeld
• The analytic theory of automorphic forms at the 65th birthday of Roelof Bruggeman, June 15-19, Woudschoten
• Clay Mathematics Institute summer school on Galois representations, June 15-July 10, Honolulu
• Summer program on Shimura varieties, June 16-24 and July 12-31, Morningside Center, Beijing
• Algebraische Zahlentheorie, June 21-27, Oberwolfach
• Sage Days 16, June 22-27, CRM, Barcelona
• Automorphic forms: computational aspects (summer school), June 22-July 3, Montréal
• Algebraic K-theory and motivic cohomology, June 28-July 4, Oberwolfach
• Arithmetic of L-functions, June 28-July 18, PCMI, Park City

• Journées Arithmétiques, July 6-10, Saint-Étienne
• Journées de Géométrie Arithmétique de Rennes, July 6-10, Rennes
• Modular forms, p-adic Hodge theory and applications, July 13-17, Roscoff (France)
• Explicit methods in number theory, July 12-18, Oberwolfach
• Workshop on higher rank L-functions: Theory and Computations, July 19-31, Benasque (Spain)
• Automorphic representations, geometry, and arithmetic, July 21-24, Taipei
• Introductory Workshop (Non-Abelian Fundamental Groups in Arithmetic Geometry), July 27-31, Newton Institute, Cambridge (UK)
• p-adic automorphic forms and arithmetic geometry, July 28-31, Oshima (Japan)
• p-adic geometry and homotopy theory, August 2-8, Loen (Norway)
• International Conference on Pairing-Based Cryptography (Pairing 2009), August 12-14, Stanford
• Noncongruence modular forms and modularity, August 17-21, AIM, Palo Alto
• Elliptic Curve Cryptography (ECC 2009), August 24-26, Calgary
• Relative trace formula and periods of automorphic forms, August 24-28, AIM, Palo Alto
• Anabelian Geometry, August 24-28, Newton Institute, Cambridge (UK)
• Advanced School and Workshop on p-adic Analysis and Applications, August 31-September 18, ICTP, Trieste
• Galois Theory and Explicit Methods research training network annual meeting, September 7-11, Warwick
• Sage Days 17, September 14-20, Lopez Island (near Seattle)
• Galois and arithmetical theory of differential equations, September 21-25, CIRM, Luminy
• t-motives: Hodge structures, transcendence and other motivic aspects, September 27-October 2, BIRS, Banff
• Non-commutative algebra and Iwasawa theory, September 28-October 2, Edinburgh
• Maine-Québec Number Theory Conference, October 3-4, U. Maine
• Frobenius Lifts, October 5-9, Leiden
• Dedekind sums in geometry, topology, and arithmetic, October 11-16, BIRS, Banff
• Towards a p-adic Langlands correspondence (autumn school), October 26-31, Seville
• Potential Modularity, October 30, Newton Institute, Cambridge (UK)
• Number theory and applications, November 30-December 4, CIRM, Luminy
• Sage Days 18, December 1-4, Clay Math Institute, Cambridge (US)
• Final workshop on Non-Abelian Fundamental Groups in Arithmetic Geometry, December 14-18, Newton Institute, Cambridge (UK)
• Cycles and special values of L-series, December 14-18, CRM, Barcelona

2010

As in the 2009 list, this list begins with a separated list of long programs (two months or longer):

• Special year in number theory, July 2009-February 2010, POSTECH, Pohang (South Korea)
• Special year in analytic number theory, September 1, 2009-June 30, 2010, IAS, Princeton
• Research programme in arithmetic geometry, September 1, 2009-July 31, 2010, CRM, Barcelona
• Galois Trimester, January 4-March 27, Institut Henri Poincaré, Paris
• Algebra and Number Theory (junior program), January 4-March 31, Hausdorff Institute, Bonn
• Number theory as experimental and applied science, January 4-April 19, CRM, Montréal
• Special year on Galois representations and automorphic forms, September 20, 2010-April 8, 2011, IAS, Princeton
• PIMS Collaborative Research Group in Number Theory, fall 2010-spring 2013, western Canada

And now for the regular conferences.

• Galois Trimester miniconference, January 4-8, IHP, Paris
• Euler systems and rational points of elliptic curves, January 4-18, POSTECH, Pohang (South Korea)
• Torsion of abelian schemes and rational points on moduli spaces, January 25-29, Bordeaux
• Arithmetic of fundamental groups, February 8-12, Heidelberg
• Algebraic geometry and arithmetic, February 16-20, Essen
• Magma conference on p-adic L-functions, February 22-26, CRM, Montréal
• The decomposition theorem and the topology of algebraic maps (winter school), February 22-26, Freiburg
• Galois Trimester miniconference, February 22-26, IHP, Paris
• Southern California Number Theory Day, March 6, UC San Diego
• Graphs and arithmetic, March 8-12, CRM, Montréal
• Summer school: Shimura varieties, cohomology, and modular forms, March 8-12, Mainz
• Workshop on arithmetic of elliptic surfaces, March 11-12, HIM, Bonn
• Arizona Winter School: Number Theory and Dynamics, March 13-17, Tucson
• Analytic number theory, March 15-19, IAS, Princeton
• Effective methods in p-adic cohomology, March 15-19, Oxford
• Galois Trimester miniconference, March 15-19, IHP, Paris
• SING 2010 — Resolution of Singularities Problems, March 15-19, Valladolid
• 24th Automorphic Forms Workshop, March 22-26, Honolulu
• Computer methods for L-functions and automorphic forms, March 22-26, CRM, Montréal
• Conference Jean-Marc Fontaine, March 22-26, Paris
• Geometric and differential Galois theory, March 29-April 2, Luminy
• Iwasawa theory over function fields of characteristic p>0, April 6-10, CRM, Barcelona
• Drinfeld modules and L-functions, April 12-16, CRM, Barcelona
• Computer security and cryptography, April 12-16, CRM, Montréal
• Counting points: theory, algorithms and practice, April 19-23, CRM, Montréal
• Alberta Number Theory Days: L-functions, April 30-May 2, BIRS, Banff
• Bellairs Workshop in Number Theory: Moduli spaces and the arithmetic of dynamical systems, May 2-9, Bellairs (Barbados)
• Second International Workshop on Zeta Functions in Algebra and Geometry, May 3-7, Palma de Mallorca
• Workshop on algebraic, formal, and rigid geometry (dedicated to Siegfried Bosch), May 7, Padova
• Pacific Northwest Number Theory Conference, May 8-9, SFU, Burnaby (Vancouver)
• Computational number theory and arithmetic geometry, May 17-21, Leuven
• Program for Women in Mathematics: p-adic Langlands, May 17-28, IAS, Princeton
• Sage Days 21: Function Fields, May 24-28, Seattle
• Rational Points - Theory and Experiment, May 25-29, ETH, Zürich
• Jo60: A Modern Computer Algebraist (Celebrating the Research and Influence of Joachim von zur Gathen at 60), May 27-29, b-it, Bonn
• Number theory and representation theory: A conference in honor of Dick Gross' 60th birthday, June 2-5, Harvard
• Whittaker Functions, Crystal Bases, and Quantum Groups, June 6-11, BIRS, Banff
• Field Arithmetic, June 13-17, Tel Aviv
• Summer school "p-adic cohomologies and arithmetic applications", June 14-18, Seville
• Modular/Geometric Iwasawa theory and p-adic L-functions, June 14-20, 2010, UCLA
• Summer school: Arithmetic aspects of rational curves, June 14-July 2, Grenoble
• Sage Days 22: Elliptic Curves (summer graduate workshop), June 21-July 2, MSRI, Berkeley
• LogConf 2010: Current trends in logarithmic geometry, June 22-25, Bordeaux
• Summer school on Berkovich spaces, June 28-July 9, Jussieu, Paris
• Rational Points, July 4-10, Schloss Thurnau
• Arithmetic of modular forms and modularity results, July 5-9, CRM, Barcelona
• Iwasawa 2010, July 5-9, Fields Institute, Toronto
• Sage Days 23, July 5-9, Lorentz Center, Leiden
• Canadian Number Theory Association (CNTA XI), July 10-16, Acadia U., Nova Scotia
• Summer School on Automorphic forms, Galois representations, and Arithmetic, July 10-28, POSTECH, Pohang (South Korea)
• Workshop on Arithmetic Geometry and Related Topics, July 12-16, NTU, Taipei
• Regulators III, July 12-22, Barcelona
• Workshop on elliptic fibrations and K3 surfaces, July 14-16, Humboldt U, Berlin
• ANTS 9, July 19-23, LORIA, Nancy
• Summer school on the Hitchin fibration, July 26-30, Bonn
• CIMPA Research School on Automorphic forms and L-functions, August 1-14, Shandong
• Modular forms (ICM satellite), August 1-17, Mahabalipuram
• Galois representations in arithmetic and geometry (ICM satellite), August 10-13, Goa
• Automorphic forms and number theory (ICM satellite), August 13-17, Goa
• S^2AM: Summer School in Algorithmic Mathematics, August 15-21, Berlin
• International Congress of Mathematicians, August 19-27, Hyderabad (sections in number theory, algebraic geometry; see also satellites)
• Resolution of Singularities and Semistable Reduction, August 31 - September 3, Hannover
• Galois Theory and Explicit Methods final conference September 6-10, Barcelona
• Second PanAsian Number Theory Conference, September 13-17, RIMS, Kyoto
• Geometry and Arithmetic: a conference on the occasion of Gerard van der Geer's 60th birthday, September 20-24, Schiermonnikoog
• Young researchers in arithmetic and algebraic geometry, October 4-7, Mainz
• Workshop on Elliptic Curves (ECC 2010), October 18-22, Microsoft Research, Redmond
• Southern California Algebraic Geometry Seminar, October 23, UCLA
• Journées arithmétiques de Meknès: L-functions and Arithmetic, October 25-29, Meknès (Morocco)
• Arithmetic of surfaces, October 25-29, Lorentz Center, Leiden
• Berkovich spaces and p-adic differential equations, November 8-11, Strasbourg
• Motives and Modular Forms, November 11-12, IPAM (UCLA), Los Angeles
• Southern California Number Theory Day, November 13, UC Irvine
• Witt vectors, foliations, and absolute de Rham cohomology, November 22-26, Nagoya
• Algebraic number theory and related topics, December 6-10, RIMS, Kyoto
• Sage Days 26: Women in Sage, December 7-11, Seattle
• Pairings 2010, December 13-15, Yamanaka Hot Spring (Japan)

2011

As in previous editions of this list, I have separated off long programs (two months or longer):

• PIMS Collaborative Research Group in L-functions and Number Theory, fall 2010-spring 2013, western Canada
• Special year on Galois representations and automorphic forms, September 2010-April 2011, IAS, Princeton
• Group actions in number theory: ergodic and analytic methods, January 1-June 30, Centre Interfacultaire Bernoulli, Lausanne
• Arithmetic statistics, January 10-May 20, MSRI, Berkeley

And now for the regular conferences.

• First Abel Conference: A Mathematical Celebration of John Tate, January 3-5, IMA, Minneapolis
• Arithmetic of Modular Forms and Elliptic Curves (instructional workshop), January 3-14, IMPA, Rio de Janeiro
• Postech Winter School 2011: Serre's Modularity Conjecture, January 14-21, POSTECH, Pohang (South Korea)
• Arithmetic and Algebraic Geometry 2011, January 18-22, Tokyo
• Group actions in number theory: initial instructional conference, January 18-28, Centre Interfacultaire Bernoulli, Lausanne
• Connections for Women: Arithmetic statistics, January 27-28, MSRI, Berkeley
• Introductory workshop: Arithmetic statistics, January 31-February 4, MSRI, Berkeley
• From p-adic differential equations to arithmetic algebraic geometry (Francesco Baldassarri 60th), February 3-5, Padova
• Southern California Number Theory Day, February 19, UC San Diego
• Solving polynomial equations, February 21-25, CIAM/KTH, Stockholm
• L-functions and Modular Forms V (FRG conference), February 21-25, MSRI, Berkeley
• Differential and difference Galois theory, February 28-March 4, CIRM, Luminy
• Automorphic Forms: New Directions, March 6-12, Oberwolfach
• Southern California Algebraic Geometry Seminar, March 12, UC San Diego
• Arizona Winter School: Stark-Heegner points, March 12-16, Tucson
• Arithmetic, Geometry, Cryptography, and Coding Theory (AGCT-13), March 14-18, CIRM, Luminy
• Galois representations and automorphic forms, March 21-25, IAS, Princeton
• Recent progress in Galois module theory, March 21-25, CIRM, Luminy
• Sage Days 29, March 21-25, Seattle
• Noncommutative geometry and arithmetic (JAMI conference), March 22-25, Johns Hopkins, Baltimore
• K-theory and Motives (Andrei Suslin 60th), March 22-25, UCLA
• Unlikely intersections in algebraic groups and Shimura varieties, March 28-April 1, Pisa
• Formal structure of meromorphic connections, March 28-April 1, CIRM, Luminy
• Cycles in İstanbul, March 28-April 2, İstanbul
• AGNES (Algebraic Geometry Northeastern Series), April 1-3, MIT, Cambridge (MA)
• Western Algebraic Geometry Symposium, April 9-10, Stanford
• Arithmetic statistics, April 11-15, MSRI, Berkeley
• GPS Tropical Seminar, April 15-16, Tübingen
• Instructional conference on the noncommutative main conjectures, April 26-30, Münster
• Noncongruence modular forms and Galois representations (Atkin memorial conference), April 29-May 1, UIC, Chicago
• Upstate New York Number Theory conference, April 29-May 1, Cornell
• Conference on the Birch and Swinnerton-Dyer conjecture, May 4-6, Cambridge (UK)
• Discrete, Tropical and Algebraic Geometry, May 5-7, Frankfurt
• Pacific Northwest Number Theory Conference, May 7-8, Bellingham
• Shalika memorial conference, May 7-8, Johns Hopkins, Baltimore
• Tropical and non-archimedean geometry, May 7-13, Bellairs (Barbados)
• Explicit theory of automorphic forms, applications and calculations, May 9-13, CIRM, Luminy
• New Directions in Algebraic K-Theory, May 15-21, Oberwolfach
• The Zilber-Pink conjecture, May 16-20, CIRM, Luminy
• Ramification in Algebra and Geometry, Emory (RAGE), May 16-20, Emory U., Atlanta
• Summer school on arithmetic dynamics, May 16-27, U. Georgia, Athens
• L-functions, Galois representations, and Iwasawa theory (FRG conference), May 17-22, Ann Arbor
• Southern California Number Theory Day, May 21, Caltech, Pasadena
• Moduli spaces and moduli stacks, May 23-27, Columbia U., New York
• The motivic fundamental group, May 23-27, Lorentz Center, Leiden
• Analytic Aspects of L-functions and Applications to Number Theory, May 29-June 3, Calgary
• MEGA (Effective Methods in Algebraic Geometry), May 30-June 3, KTH, Stockholm (original page)
• Abelian varieties and Galois actions, June 6-8, Poznań
• p-adic Hodge theory, p-adic differential equations, and their applications, June 6-9, Lyon
• Toric geometry and applications, June 6-10, Leuven
• Group actions in number theory: concluding conference, June 6-10, Centre Interfacultaire Bernoulli, Lausanne
• The Cohen-Lenstra heuristics for class groups, June 13-17, AIM, Palo Alto
• Workshop on the arithmetic of function fields, June 13-17, Imperial College, London
• GeoCrypt 2011, June 18-24, Corsica
• Algebraische Zahlentheorie, June 19-25, Oberwolfach
• Rencontres Arithmétiques de Caen: Arithmetic geometry over function fields, June 20-22, Caen
• Galois Representations, Automorphic Forms, and Shimura Varieties, June 20-23, NCTS, Taiwan
• D-modules and Singularities (summer school), June 20-25, Seville and June 27-July 2, Madrid
• Mathematische Arbeitstagung 2011 (Don Zagier 60th), June 24-30, MPIM, Bonn
• L-packets, June 26-July 1, BIRS, Banff
• Birch and Swinnerton-Dyer Summer School, June 26-July 3, Sardinia
• Arithmétique, Algèbre et Applications (Eva Bayer 60th), June 27-29, Lausanne
• Journées Arithmétiques, June 27-July 1, Vilnius
• Workshop on the arithmetic geometry of Shimura varieties and Rapoport-Zink spaces, July 4-8, Kyoto
• Motives: Algebra and Arithmetic, July 4-8, Mainz
• Foundations of Computational Mathematics, July 4-14, Budapest (workshop on computational number theory July 12-14)
• ACAGM summer school, July 10-23, Leuven
• Fq10: The 10th International Conference on Finite Fields and their Applications, July 11-15, Ghent
• Workshop on elliptic fibrations and K3 surfaces, July 14-16, Berlin
• Explicit Methods in Number Theory, July 17-23, Oberwolfach
• Workshop on non-abelian class field theory, July 18-22, POSTECH (Korea)
• Automorphic forms and Galois representations (LMS symposium), July 18-28, Durham
• Second International Conferences and Workshop on Valuation Theory, July 18-29, Segovia and El Escorial
• Sato-Tate in Higher Dimension, July 25-August 6, Benasque
• ELGA 2011: Latin American School and Conference of Algebraic Geometry and Applications, August 1-5 (school, Buenos Aires) and August 8-12 (workshop, Córdoba), Argentina
• Theta Festival, August 13-19, POSTECH (Korea)
• Galois representations and automorphic forms, August 15-20, Banach Center, Będlewo
• Arithmetic of Function Fields and Related Topics, August 16-19, Gyeongju (Korea)
• Workshop on Arithmetic and Geometry of K3 surfaces and Calabi-Yau threefolds, August 16-25, Fields Institute, Toronto
• Pan-Asia Number Theory Conference, August 22-26, Beijing
• A Celebration of Algebraic Geometry (Joe Harris 60th), August 25-28, Harvard
• The Analytic Theory of Automorphic Forms, August 28-September 3, Oberwolfach
• Computations with modular forms (summer school), August 29-September 2, Heidelberg
• Summer school on group schemes, August 29-September 9, CIRM, Luminy
• Durham Days on Modular Forms, August 30-September 3, Durham (UK)
• L-functions and modular forms (FRG conference), August 31-September 7, Bristol
• Computations with modular forms (workshop), September 5-8, Heidelberg
• Number theory, algebraic geometry, and model theory, September 12-16, CIRM, Luminy
• Cohomology theories: a road map (Brixen summer school), September 12-17, Bressanone (Brixen)
• Variation of cohomology: D-modules, monodromy, and arithmetic, September 14-16, Bayreuth
• Periods of automorphic forms and applications to L-functions (FRG conference), September 15-18, Columbia U., New York
• Boston-Keio summer workshop, September 15-19, Boston U.
• Texas-Oklahoma Representations and Automorphic Forms, September 17-18, U. North Texas
• Resolution of singularities and various topics (Heisuke Hironaka 80th), September 18-23, Valladolid
• Elliptic Curve Cryptography, September 19-21, Nancy
• Arithmetic and motivic geometry, September 19-23, CIRM, Luminy
• Maine-Québec Number Theory Conference, October 1-2, Orono
• Western Algebraic Geometry Symposium, October 1-2, Fort Collins
• SIAM Conference on Applied Algebraic Geometry, October 6-9, Raleigh
• LMS regional meeting on Iwasawa theory, October 7-8, Exeter
• Moduli spaces and automorphic forms, October 10-14, CIRM, Luminy
• Summer School in Algorithmic Mathematics, October 10-14, Berlin
• Workshop on Iwasawa theory, October 15-16, Tucson
• Équations différentielles et théorie de Galois­, October 17-20, IHÉS
• Southern California Number Theory Day, October 22, UC Irvine
• Colloque Bicentenaire Galois, October 24-28, IHP, Paris
• AGNES (Algebraic Geometry Northeastern Series), October 28-30, Stony Brook
• Cycles on modular varieties, October 30-November 4, BIRS, Banff
• Southern California Algebraic Geometry Seminar, November 5, UCLA
• WIN2: Women in Numbers 2, November 6-11, BIRS, Banff (BIRS site)
• Diophantine methods, lattices, and arithmetic theory of quadratic forms, November 13-18, BIRS, Banff
• Coding theory, November 13-18, Schloss Dagstuhl
• Geometry and Arithmetic around Teichmüller theory, November 15-19, İstanbul
• Algebraic Number Theory and Related Topics, November 28-December 2, RIMS, Kyoto
• Computational number theory (Herman te Riele retirement), December 1-2, CWI, Amsterdam
• New Zealand Mathematics Colloquium 2011: Number Theory Satellite Day, December 5, Auckland (colloquium runs December 6-8)
• Tropical geometry workshop, December 12-16, Castro Urdiales
• Sage-Flint Days, December 17-23, Warwick

2012

As in the previous lists, I have separated off long programs (two months or longer):

• PIMS Collaborative Research Group in L-functions and Number Theory, fall 2010-spring 2013, western Canada
• Automorphic forms: arithmetic and geometry, January-February, Schrödinger Institute, Vienna
• Thematic program on Galois representations, January-June, Fields Institute, Toronto (to include two conferences)
• Semester program on Complex and Arithmetic Dynamics, January 30-May 4, ICERM, Providence (to include three conferences; see below)
• Rational points and algebraic cycles, July 1-December 31, CIB, Lausanne, Switzerland (to include two workshops; see below)
• Symposium on Number Theory, Mathematics Research Centre, University of Warwick, September 2012--July 2013 (to include six conferences and one summer school; see below)

And now for the regular conferences.

• AMS Short Course: Computing with Elliptic Curves using Sage, January 2-3, Boston
• Automorphic Representations and L-functions, January 3-11, TIFR, Mumbai
• Postech Winter School 2012: The Birch and Swinnerton-Dyer conjecture, January 6-14, POSTECH, Pohang (Korea)
• East Asia Number Theory Conference, January 16-19, NTU, Taipei
• Number theory and its applications, January 16-20, CIRM, Luminy
• Automorphic forms and automorphic L-functions, January 16-20, RIMS, Kyoto
• Workshop on Modular Forms and Related Topics, February 6-10, AUB, Beirut
• Complex and p-adic dynamics, February 13-17, ICERM, Providence
• Winter School on Galois Theory, February 15-24, Luxembourg
• Sage Days 36: p-adics in Sage, February 19-23, UC San Diego
• Southern California Number Theory Day, February 26, UC San Diego
• Hawai‘i Conference in Algebraic Number Theory, Arithmetic Geometry and Modular Forms, March 6-8, Honolulu (follows AMS sectional meeting March 3-4)
• Southern California Algebraic Geometry Seminar, March 10, UC San Diego
• Arizona Winter School: Ramification and Geometry, March 10-14, Tucson
• Global arithmetic dynamics, March 12-16, ICERM, Providence
• Galois Representations and Automorphic Forms Postdoctoral Fellows and Graduate Student Workshop, March 12-16, Fields Institute, Toronto
• Cohomology of Shimura varieties: arithmetic aspects and the construction of Galois representations, March 19-23, Fields Institute, Toronto
• Cohomological methods in abelian varieties, March 26-30, AIM, Palo Alto
• L-functions and modular forms (FRG workshop), March 26-30, Bristol
• AGNES, March 31-April 1, Amherst
• Western Algebraic Geometry Seminar, April 14-15, Seattle
• Diophantische Approximationen, April 22-28, Oberwolfach
• The p-adic Langlands program: recent developments and applications, April 23-27, Fields Institute, Toronto
• Automorphic Forms and Related Geometry (Ilya Piatetski-Shapiro memorial), April 23-27, Yale, New Haven
• 26th Automorphic Forms Workshop, April 26-29, Vancouver
• Atkin memorial workshop: elliptic curves over Q(sqrt{5}), April 27-29, U. Illinois, Chicago
• Upstate Number Theory Conference, April 28-29, Rochester
• Bellairs Number Theory Conference: Pro-unipotent fundamental groups: arithmetic and diophantine aspects, May 6-12, Bellairs (Barbados)
• Noncommutative geometry and number theory, May 7-11, Ohio State
• Towards a Local Proof of the Local Langlands Correspondence, May 12-13, U. Illinois, Chicago
• Witt vectors in arithmetic, geometry, and topology, May 14-18, Albuquerque
• Southern California Number Theory Day, May 19, Caltech
• Arakelov geometry and K-theory (Christophe Soulé 60th), May 21-23, Toulouse
• Barcelona-Boston-Tokyo number theory seminar (Fumiyuki Momose memorial), May 21-23, UPC, Barcelona
• Rational Points & Rational Curves, May 21-25, University of Zurich
• Arithmetic geometry and arithmetic dynamics (Lucien Szpiro 70th), May 29-June 1, CUNY Graduate Center, New York
• Hypergeometric series and their generalizations in algebra, geometry, number theory and physics, May 29-June 1, IHP, Paris
• Cohomologies and automorphic forms, May 29-June 2, Strasbourg
• The Resolution of Singular Algebraic Varieties (Clay Mathematics Institute summer school), June 2-30, Obergurgl (Austria)
• Arithmetic geometry of orthogonal and unitary Shimura varieties, June 3-8, BIRS, Banff
• Arithmetic geometry week, June 4-8, Tokyo
• Characteristic p and p-adic geometry, June 4-8, Mainz
• Workshop on automorphic forms and L-functions, June 6-8, Bucharest
• Workshop on L-functions, June 11-15, POSTECH (Korea)
• Contemporary methods for solving Diophantine equations (summer school), June 10-17, BIRS, Banff
• Colloque Jeunes Chercheurs en Théorie des Nombres, June 13-15, Lyon
• CNTA (Canadian Number Theory Association), June 17-22, Lethbridge
• Pinceaux, formules et champs, An arithmetic geometry conference in honour of Laurent Moret-Bailly, June 18–22, Rennes
• Arithmetic of p-adic modular forms, L-functions, Shimura varieties and Galois representations (Haruzo Hida 60th), June 18-23, UCLA
• School and Workshop on Computational Algebra and Number Theory, June 18-29, ICTP, Trieste (includes Hypergeometric motives meeting June 25-29)
• Arithmetic Statistics (Mathematics Research Communities), June 24-30, Snowbird
• Galois Covers and Deformations, June 25-29, Bordeaux
• De la géométrie algébrique aux formes automorphes (Gerard Laumon 60th), June 25-29, Orsay
• Summer school "Around the Zilber-Pink conjecture", June 25-July 5, Paris
• Algebraic and Arithmetic Geometry (ECM satellite), June 28-July 1, Kraków
• Torsion in the homology of arithmetic groups: geometry, arithmetic, and computation, July 1-6, BIRS, Banff
• Reductions of Shimura varieties, July 1-7, Oberwolfach
• European Congress of Mathematicians, July 2-7, Kraków
• TBA (Shreeram Abhyankar 82nd), July 5-8, Purdue U., West Lafayette
• ANTS (Algorithmic Number Theory Symposium), July 9-13, UC San Diego
• Galois Representations and Arithmetic Geometry (Martin Taylor 60th), July 11-13, Bordeaux
• Workshop on Bloch-Kato Conjectures, July 17-21, Pune
• Workshop on the arithmetic geometry of Shimura varieties, representation theory, and related topics, July 18-22, Sapporo
• Pan-Asian Number Theory Conference, July 21-30, Pune
• Algebraic K-theory and Arithmetic (Jürgen Hurrelbrink memorial), July 22-28, Banach Center, Będlewo
• Penn State-Göttingen International Summer School on Number Theory, July 29-August 18, Göttingen (includes conference; see below)
• Iwasawa 2012, July 30-August 3, Heidelberg University
• Workshop on Algebraic and Arithmetic Geometry, July 31-August 3, Beijing
• Building Bridges: 1st US-EU conference on Automorphic Forms and related topics, July 30-August 4 (summer school) and August 6-10 (conference), Aachen
• Arithmetic Geometry, August 5-11, Oberwolfach
• Iwasawa Summer School, August 6-12, Sardinia
• Automorphic Forms, Representations, and Combinatorics (Daniel Bump 60th), August 13-16, Stanford
• Penn State-Göttingen Number Theory Conference, August 13-18, Göttingen
• Low-dimensional topology and number theory, August 26-September 1, Oberwolfach
• Joint Introductory Workshop: Cluster Algebras and Commutative Algebra, August 27-September 7, MSRI, Berkeley
• Automorphic forms, Galois representations and L-functions, September 3-7, Pune
• Cohomological methods in arithmetic geometry, September 10-14, Zürich (part of the semester program Rational points and algebraic cycles)
• Algebraic and Complex Geometry (Klaus Hulek 60th), September 10-14, Hannover
• Rational points on curves: a p-adic and computational perspective, September 24-28, Oxford
• Selmer Groups, Descent and the Distribution of Ranks, September 24-28, Warwick
• Summer school: Higgs bundles on p-adic curves and representation theory, September 24-28, Mainz
• Arithmetic of L-functions, October 1-3, Bristol
• Fields Medal Symposium (Ngô Bào Châu), October 15-18, Fields Institute, Toronto
• Western Algebraic Geometry Symposium, October 20-21, Salt Lake City
• p-adic cohomology and its applications to arithmetic geometry, October 29-November 2, Sendai
• Non-archimedean analytic geometry, November 4-10, Oberwolfach
• Arithmetic of abelian varieties in families, November 12-16, CIB, Lausanne, Switzerland (part of the semester program Rational points and algebraic cycles)
• Southern California Algebraic Geometry Seminar, November 17, Caltech
• Algorithms for Complex Multiplication over Finite Fields (Oberwolfach seminar), November 18-24, Oberwolfach
• West Coast Number Theory Conference, December 16-20, Asilomar
• Mini-workshop on Arithmetic, December 17-18, Taipei

2013

As in the previous lists, I have separated off long programs (two months or longer).

• PIMS Collaborative Research Group in L-functions and Number Theory, fall 2010-spring 2013, western Canada
• Symposium on Number Theory, Mathematics Research Centre, University of Warwick, September 2012-July 2013 (to include six conferences and one summer school; see below)
• Arithmetic Geometry year, October 2012-September 2013, Moscow
• Arithmetic and Geometry, January-April, HRIM, Bonn
• Automorphic forms, combinatorial representation theory and multiple Dirichlet series, January 28-May 13, ICERM, Providence
• Trimester on arithmetic methods and applications, September-December, Besançon
• Heights in Diophantine geometry, group theory and additive combinatorics, October 21-December 30, Schrödinger Inst., Vienna

And now for the regular conference list.

• Iwasawa Theory, Representations, and the p-adic Langlands program (Peter Schneider 60th), January 7-12, Münster, Germany
• Atelier Pari/GP 2013, January 14-18, Bordeaux
• Trends in Arithmetic Geometry, January 14-18, Lorentz Center, Leiden
• Online databases: from L-functions to combinatorics, January 21-25, ICMS, Edinburgh
• Sage Days 44: Overconvergent Modular Forms in Sage, January 31-February 4, Madison
• Workshop on the Serre conjecture, February 4-8, Hausdorff Institute, Bonn
• Sage Days: Multiple Dirichlet series, combinatorics, and representation theory, February 11-15, ICERM, Providence
• Western Algebraic Geometry Symposium, February 16-17, Harvey Mudd, Claremont, CA
• Brauer groups and obstruction problems: moduli spaces and arithmetic, February 25-March 1, AIM, Palo Alto
• Sage Days 46: Computational number theory, February 26-March 2, Honolulu
• Applications of Iwasawa Algebras, March 3-8, BIRS, Banff
• Whittaker functions, Schubert calculus and crystals, March 4-8, ICERM, Providence
• Arizona Winter School: Modular forms and modular curves, March 9-13, Tucson
• Automorphic Forms Workshop, March 11-14, Dublin
• New trends in arithmetic and geometry of algebraic surfaces, March 11-15, CIRM, Luminy
• Explicit Methods for Modular Forms, March 18-22, University of Warwick
• The geometry of the Frobenius automorphism, March 25-29, CIRM, Luminy
• Non-archimedean and tropical geometry (Simons Symposium), March 31-April 6, US Virgin Islands
• Iwasawa Theory and Galois Representations, April 8-12, University of Warwick
• Arithmetic Groups, April 14-19, BIRS, Banff
• Combinatorics, multiple Dirichlet series and analytic number theory, April 15-19, ICERM, Providence
• Arithmetic and Geometry research conference, April 15-19, HRIM, Bonn
• AGNES, April 19-21, New Haven
• Computations in p-adic Hodge theory, April 22-26, CIRM, Luminy
• Third Annual Upstate New York Number Theory Conference, April 26-28, Binghamton
• Higher Rank Automorphic Forms and L-Functions, April 29-May 3, University of Warwick
• The minimal model program in characteristic p, April 29-May 3, AIM, Palo Alto
• Atkin workshop: Cohen-Lenstra heuristics, May 3-5, UIC, Chicago
• Algebraic cycles on Shimura varieties, May 3-10?, Bellairs, Barbados
• FLINT developers' meeting, May 4-12, Warwick
• The Commutative Algebra of Singularities in Birational Geometry: Multiplier Ideals, Jets, Valuations, and Positive Characteristic Methods, May 6-10, MSRI, Berkeley
• Algorithms for lattices and algebraic automorphic forms, May 6-10, AIM, Palo Alto
• p-adic Modular Forms, L-functions, and Galois representations, May 10-12, UCLA
• Arithmetic geometry, May 13-17, Moscow
• Mathematics of Information-Theoretic Cryptography, May 13-17 (school), May 21-25 (workshop), Lorentz Center, Leiden
• Collaborative Explorations and Developments in Arithmetic Research, May 14-18, UIC, Chicago
• Algebraic geometry (Rob Lazarsfeld 60th), May 16-19, U. Michigan
• Computational Algebraic Number Theory (summer school), May 20-24, Greensboro, NC
• Cohomology of Arithmetic Groups, May 23-26, Chicago
• Motivic Invariants and Singularities, May 20-24 (undergraduate summer school), May 27-31 (graduate/postdoc summer school), June 3-7 (conference), Notre Dame
• Rational Points - Geometric, Analytic and Explicit Approaches, May 27-31, University of Warwick
• Pacific Northwest Number Theory Conference, June 1-2, Seattle
• Arithmetic, Geometry, Cryptography and Coding Theory, June 3-7, CIRM, Luminy
• Arithmetics & Geometry: 25 Years Number Theory Seminar, June 3-7, ETH, Zürich
• Rational Points, Rational Curves, and Entire Holomorphic Curves on Projective Varieties, June 3-28, CRM, Montréal
• Complex Dynamics (and Arithmetic Geometry), June 5-7, UIC, Chicago
• Tropical and nonarchimedean analytic geometry (Mathematics Research Communities), June 9-15, Snowbird
• Heights and Moduli Spaces, June 10-14, Lorenz Center, Leiden
• Arithmetic Algebraic Geometry, June 10-14, Berlin
• Automorphic forms and harmonic analysis on covering groups, June 10-14, AIM, Palo Alto
• Géométrie Arithmétique p-adique, June 17-20, ENS Lyon
• Periods of automorphic forms and applications, June 19-22, Stanford
• Algebraic K-theory and Motivic Cohomology, June 23-29, Oberwolfach
• Summer School: Number Theory for Cryptography, June 24-28, University of Warwick
• Number Theory, Geometry and Cryptography, July 1-5, University of Warwick
• Journées Arithmétiques, July 1-5, Grenoble
• New geometric techniques in number theory, July 1-12, MSRI, Berkeley
• POSTECH Summer School (Multiple Dirichlet series/Kernel of Langlands functoriality and non-linear Poisson formulas), July 5-13, Pohang, S. Korea
• Modular forms, p-adic L-functions and Selmer groups, July 7-13, Oriahovitza, Bulgaria
• Quintas Jornadas de Teoría de Números, July 8-12, Sevilla
• LMS short course on o-Minimality and Diophantine Geometry, July 8-12, Manchester
• Algebraic Geometry, July 8-12, Amsterdam
• Sage Days 50: Women in Sage, July 10-15, Seattle
• Explicit Methods in Number Theory, July 14-20, Oberwolfach
• Arithmetic Geometry, July 15-19, Warsaw
• First Bucharest Number Theory Day, July 16, Bucharest
• Rational Points, July 21-27, Schloss Thurnau
• Sage Days: Algorithms in Arithmetic Geometry, July 22-26, Lorentz Center, Leiden
• Pan Asian Number Theory, July 22-26, Hanoi
• SIAM Conference on Applied Algebraic Geometry, August 1-4, Colorado State U., Fort Collins (includes minisymposia on computational arithmetic geometry and number theory)
• Lattices with Symmetry, August 12-16, UC Irvine
• Effective methods for Darmon points, August 25-30, Benasque
• Motivic Galois Groups, September 2-6, Rényi Institute, Budapest
• Global fields, September 2-6, Moscow
• Sage Days: Arithmetics over discrete valuation rings, September 2-6, Rennes
• Definability and decidability problems in number theory, September 9-13, AIM, Palo Alto
• L-Functions and Modular Forms Database workshop, September 9-22, Bristol
• Summer School on Elliptic Curve Cryptography, September 11-13, Leuven
• Workshop on Elliptic Curve Cryptography, September 16-18, Leuven
• Stark's conjecture and related topics (Harold Stark retirement), September 20-22, UC San Diego
• Algebraic and explicit methods, September 16-20 (minicourses), September 23-27 (conference), Besançon
• Sage Days: Computational Number Theory, Geometry, and Physics, September 23-29, Clay Math Inst., Oxford
• Théorie de Hodge p-adique et Développements, September 25-27, IHÉS
• Regensburg days on non-archimedean geometry, September 30-October 2, Regensburg
• Number Theory and Physics, September 30-October 4, Clay Math. Inst., Oxford
• Fall school: Resolution of threefolds in positive characteristic, October 1-11, Regensburg
• Maine-Québec Number Theory Conference, October 5-6, Orono
• Conference on Arithmetic Algebraic Geometry, October 7-11, Paderborn
• Geometry and Cryptography (GeoCrypt 2013), October 7-11, Tahiti
• Diophantine methods, October 7-11 (minicourses), October 14-18 (conference), Besançon
• Oberwolfach Seminar: Motivic Integration, October 13-19, Oberwolfach
• Women in Numbers (Femmes en nombre), October 14-18, CIRM, Luminy
• Whittaker Functions: Number Theory, Geometry and Physics, October 13-18, BIRS, Banff
• SCHOLAR - a Scientific Celebration Highlighting Open Lines of Arithmetic Research (Ram Murty 60th), October 15-17, CRM, Montreal
• AGNES, October 25-27, Boston College
• Sage Days: Arithmetic and Complex Dynamics, November 7-10, Melbourne, FL
• Western Algebraic Geometry Symposium, November 9-10, UC San Diego
• Heights in Diophantine geometry, group theory and additive combinatorics, November 25-29, Schrödinger Inst., Vienna
• Analytic theory of automorphic forms (Ram Murty 60th), December 9-13, IMSc, Chennai
• Local Langlands conjecture and Galois representations, December 15-29 (instructional workshop), December 30-January 3 (conference), TIFR, Mumbai
• Fundamental Groups in Arithmetic and Algebraic Geometry, December 16-20, Pisa
• Pro-p groups and arithmetic, December 16-20, Besançon

2014

As in the previous lists, I have separated off long programs (two months or longer).

• Algebraic Geometry, January 6-April 25, Hausdorff Inst., Bonn
• Model theory and number theory, January 24-May 23, MSRI, Berkeley
• Algebraic techniques for combinatorial and computational geometry, March 10-June 13, IPAM, Los Angeles
• New geometric methods in number theory and automorphic forms, August 11-December 12, MSRI, Berkeley
• Geometric representation theory, August 18-December 19, MSRI, Berkeley
• Number Theory, from Arithmetic statistics to Zeta elements, fall 2014-spring 2015, CRM, Montréal

And now for the regular conference list.

• Sage Days 56: Computational Number Theory and the Cloud, January 2-7, Honolulu
• Atelier PARI/GP, January 6-10, Besançon
• Comparison theorems for Galois representations, January 6-10, CIRM, Luminy
• Galois representations and automorphic forms (Henri Carayol and Jean-Pierre Wintenberger 60th), January 6-10, Strasbourg
• Arithmetic statistics over finite fields and function fields, January 27-31, AIM, Palo Alto
• Families of Automorphic Forms and the Trace Formula (Simons Symposium), January 26-February 1, Caneel Bay, US Virgin Islands
• Southern California Algebraic Geometry Seminar, February 1, USC, Los Angeles
• Langlands Correspondence and Constructive Galois Theory, February 2-8, Oberwolfach
• Introductory Workshop: Model Theory, Arithmetic Geometry and Number Theory, February 3-7, MSRI, Berkeley
• Arithmetic intersection theory and Shimura varieties, February 3-7, Hausdorff Inst., Bonn
• Winter School: Arithmétique, February 3-March 7, CIRM, Luminy (see also individual links below)
• Connections for Women: model theory and its interactions with number theory and algebraic geometry, February 10-11, MSRI, Berkeley
• Winter School: Frobenius distributions on curves, February 17-21, CIRM, Luminy
• Hot Topics: Perfectoid Spaces and their Applications, February 17-21, MSRI, Berkeley
• Workshop: Frobenius distributions on curves, February 24-28, CIRM, Luminy
• Postcritically finite maps in complex and arithmetic dynamics, March 3-7, AIM, Palo Alto
• On Lang and Vojta's conjectures, March 3-7, CIRM, Luminy
• Motives and Galois groups (Uwe Jannsen 60th), March 10-12, Regensburg
• Number Theory and Applications, March 10-14, CIRM, Luminy
• Curves and Automorphic Forms, March 10-14, Arizona State U.
• Combinatorial and Computational Geometry: Tutorials, March 11-14, IPAM, Los Angeles
• Arizona Winter School: Arithmetic Statistics, March 15-19, U. Arizona, Tucson (applications due January 10)
• Geometry & Arithmetic of Surfaces, March 17-21, LMU & TUM, Munich
• Workshop on modular Iwahori-Hecke algebras, March 17-21, Humboldt U., Berlin
• Positive Characteristic Algebraic Geometry, March 21-23, UIC, Chicago
• Combinatorial and Computational Geometry: Combinatorial Geometry Problems at the Algebraic Interface, March 24-28, IPAM, Los Angeles
• Combinatorial and Computational Geometry: Tools from Algebraic Geometry, April 7-11, IPAM Los Angeles
• Western Algebraic Geometry Symposium, April 12-13, Colorado U., Boulder
• Applications of Automorphic Forms in Number Theory and Combinatorics (Winnie Li birthday), April 12-15, LSU, Baton Rouge
• Alberta Number Theory Days, April 18-20, Banff
• WIN3: Women in Numbers 3, April 20-25, BIRS, Banff (applications due October 15)
• AGNES, April 25-27, Stony Brook
• Upstate New York Number Theory Conference, April 26-27, Buffalo
• Modular Forms, April 27-May 3, Oberwolfach
• Bellairs workshop in number theory: cohomology of arithmetic groups and the Langlands program, May 2-9, Bellairs, Barbados
• Theoretical and Practical Aspects of the Discrete Logarithm Problem, May 4-9, Ascona
• Combinatorial and Computational Geometry: The Kakeya problem, Restriction problem, and Sum-product Theory, May 5-9, IPAM, Los Angeles
• Student Tropical Algebraic Geometry Seminar, May 8-10, Yale U., New Haven
• Model theory in geometry and arithmetic, May 12-16, MSRI, Berkeley
• Rational and integral points on higher-dimensional varieties, May 12-16, AIM, Palo Alto
• Automorphic Forms Workshop, May 12-16, Moab
• Heights, modularity, transcendence, May 12-16, CIRM, Luminy
• Combinatorial Zeta and L-functions (NSF-CBMS conference), May 12-16, Sundance
• Classical and p-adic Hodge theories (spring school), May 12-23, Rennes
• Elliptic Curves @ UConn, May 17, Storrs
• Pacific Northwest Number Theory Conference 2014, May 17-18, SFU, Vancouver
• Representation theory and K-theory (Eric Friedlander 70th), May 19-22, USC, Los Angeles
• Workshop on Polynomials over Finite Fields: Functional and Algebraic Properties, May 19-23, CRM, Barcelona
• UNCG Summer School in Computational Number Theory 2014: Modular Forms and Geometry, May 19-23, UNC Greensboro
• Combinatorial and Computational Geometry: Finding Algebraic Structures in Extremal Combinatorial Configurations, May 19-23, IPAM, Los Angeles
• Moduli and Automorphic Forms: a Meeting for Young Women in Mathematics, May 22-24, Humboldt U., Berlin
• Summer School Around Valuation Theory, May 22-26, Şirince]
• Periods of automorphic forms and applications to L-functions, May 23-25, Harvard
• Number fields and function fields: coalescences, contrasts and emerging applications, May 29-30, Kavli Royal Society Centre, Chicheley Hall
• The Future of Trace Formulas, June 1-6, BIRS, Banff
• p-adic variation in number theory (Glenn Stevens 60th), June 2-6, Boston U.
• Special values of L-functions (summer school), June 2-6, ENS Lyon
• Algebraic Geometry and Number Theory (summer school), June 2-10, Galatasaray U., İstanbul
• Combinatorial and Computational Geometry: Culminating workshop, June 8-13, Lake Arrowhead
• Effective moduli spaces and applications to cryptography, June 9-13, Rennes
• Workshop on Function Field Arithmetic, June 9-15, Şirince
• Conference on Arithmetic Algebraic Geometry (Gerd Faltings 60th), June 10-13, Bonn
• p-adic aspects of modular forms (instructional workshop/discussion meeting), June 10-20, Pune
• Canadian Number Theory Association, June 16-20, Carleton U., Ottawa
• The Gan-Gross-Prasad conjectures (summer school), June 18-27, Jussieu
• Special week: Berkovich spaces and applications, June 20-27, Strasbourg
• EWM/EMS Summer School: Apollonian Circle Packings, June 23-27, Institut Mittag-Leffler, Stockholm
• Lebesgue Summer School: Derived Categories, June 23-27, Nantes
• ALGANT Summer School on Monodromy, June 23-28, Dobbiaco
• Séminaire de Mathématiques Supérieures: Counting Arithmetic Objects, June 23-July 4, CRM, Montréal
• Building Bridges: 2nd EU/US Summer School and Workshop on Automorphic Forms and Related Topics, June 30-July 5 (school), July 7-11 (workshop), Bristol
• Curves over Finite Fields (instructional workshop), June 30-July 11, Utah Valley U.
• Clay Mathematics Institute Summer School on Periods and Motives: Feynman amplitudes in the 21st century, June 30-July 25, ICMAT, Madrid
• Arithmetic of Shimura Varieties, of Automorphic Forms and Applications, June 30-July 4, CIRM, Luminy
• Rigid and Algebraic Geometry (Werner Lütkebohmert retirement), July 3-4, Ulm
• Higher structures in number theory (instructional conference), July 3-4, Nottingham
• Symmetries and correspondences in number theory, geometry, algebra and quantum computing: intra-disciplinary trends, July 5-10, CMI, Oxford
• Algebraische Zahlentheorie, July 6-12, Oberwolfach
• Algebraic Number Theory and Applications, July 6-19, Dangbo, Benin
• Summer school: Analytic Number Theory, July 9-23, IHÉS, Bures-sur-Yvette
• Analytic number theory, July 11-12 (ENFANT preworkshop), July 14-18 (ELEFANT workshop), Bonn
• Workshop on Bianchi and Siegel modular forms, July 14-16, Sheffield
• Analytic number theory and its applications (Jeff Hoffstein 61st), July 14-18, Thessaloniki
• Second ERC Research Period on Diophantine Geometry, July 14-26, Cetraro
• Turkish Mathematical Society Undergraduate and Graduate Summer School, July 14-September 21, Şirince
• Second Bucharest Number Theory Day, July 22, Bucharest
• Sage Days 62: Women in Sage, July 28-August 1, Portland, Oregon
• Impact of computation on number theory, July 30-August 4, Hsinchu, Taiwan
• Conference for new PhDs in algebraic geometry, August 3-9, Seattle
• Pan Asia Number theory (ICM satellite conference), August 5-9, POSTECH, Pohang
• L-functions (ICM satellite conference), August 5-9, Yonsei U., Seoul
• Integral Quadratic Forms and Related Topics (ICM satellite conference), August 7-11, Jeju
• ANTS-XI: Algorithmic Number Theory Symposium (ICM satellite conference), August 7-11, Gyeongju
• International Congress of Mathematicians, August 13-21, Seoul, South Korea (see also satellite conferences)
• Low-Dimensional Topology and Number Theory, August 17-23, Oberwolfach
• Connections for Women: New Geometric Methods in Number Theory and Automorphic Forms, August 14-15, MSRI, Berkeley
• Introductory Workshop: New Geometric Methods in Number Theory and Automorphic Forms, August 18-22, MSRI, Berkeley
• Sage Days 61: Quaternion Orders and Brandt Modules, August 25-29, University of Copenhagen, Denmark
• Automorphic forms and arithmetic (ICM satellite conference), August 25-28, POSTECH, Pohang
• Arithmetic of Hyperellliptic Curves and Cryptography, August 25-September 5, Ohrid, Macedonia (FYROM)
• L-functions and Modular Forms, September 1-12, ICTP, Trieste
• Introductory Workshop: Geometric Representation Theory, September 2-5, MSRI, Berkeley
• Topics in characteristic p>0 and p-adic geometry (autumn school), September 7-13, Lukecin
• Introductory Workshop on Modular Methods in Diophantine Equations, September 8-11, Bilecik
• Diophantine approximation and transcendence, September 15-19, CIRM, Luminy
• Statistics and number theory, September 15-19, CRM, Montréal
• Arithmetic of Eisenstein series, September 22-25, Darmstadt
• Bounded Gaps Between Primes (LMS-CMI research school), September 22-26, Oxford
• Higher Invariants Opening Conference of the SFB "Higher Invariants", September 22-26, Regensburg, Germany
• Vojta's Conjectures, September 28-October 3, BIRS, Banff
• Analytic Number Theory, September 29-October 3, Oxford
• Additive combinatorics and expanders, October 6-10, CRM, Montréal
• Western Algebraic Geometry Symposium, October 11-12, U. Idaho
• Fundamental groups and periods, October 13-17, IAS, Princeton
• Southern California Number Theory Day, October 18, UC Irvine
• Valuation Theory and its Applications, October 26-November 1, Oberwolfach
• AGNES, October 31-November 2, U. Penn.
• Counting arithmetic objects (Ranks of elliptic curves), November 10-14, CRM, Montréal
• Southern California Algebraic Geometry Seminar, November 15, UC San Diego
• Categorical Structures in Harmonic Analysis, November 17-21, MSRI, Berkeley
• Bounded gaps between primes, November 17-21, AIM, Palo Alto
• Families of Automorphic Forms and the Trace Formula, November 30-December 5, BIRS, Banff
• Motivic Integration, Orbital Integrals, and Zeta-Functions, November 30-December 5, BIRS, Banff
• Workshop on Multiple Zeta Values, Modular Forms and Elliptic Motives II, December 1-4, ICMAT, Madrid
• Automorphic forms, Shimura varieties, Galois representations and L-functions (Michael Harris 60th), December 1-5, MSRI, Berkeley
• School on Computational Algebra and Number Theory, December 4-10, Montevideo
• Cohomological Realizations of Motives, December 7-12, BIRS, Banff
• New approaches in probabilistic and multiplicative number theory, December 8-12, CRM, Montréal
• Foundations of Computational Mathematics, December 11-20, Montevideo
• Analysis, Spectra and Number Theory (Peter Sarnak 61st), December 15-19, Princeton

2015

As in the previous lists, I have separated off long programs (two months or longer).

• Number theory, from Arithmetic statistics to Zeta elements, fall 2014-spring 2015, CRM, Montréal
• Thematic Program on Algebraic Geometry, April 1-June 30, IMPA, Rio de Janeiro
• Computational aspects of the Langlands program, September 9-December 4, ICERM, Providence

And now for the regular conference list.

• Winter Meeting on Bruhat-Tits buildings, January 6-9, Imperial College, London
• Atelier PARI/GP 2015, January 12-16, Bordeaux
• Doctoral course: Introduction to Artin approximation and the geometry of power series spaces, January 26-30, CIRM, Luminy
• Simons Symposium: Non-Archimedean and Tropical Geometry, February 1-7, Rio Grande, Puerto Rico
• Zariski-Dense Subgroups, February 9-13, IPAM, Los Angeles
• Workshop on Galois Representations, February 11-13, Heidelberg
• Southern California Number Theory Day, February 14, UC San Diego
• Regulators, Mahler measures, and special values of L-functions, February 16-20, CRM, Montréal
• Western Algebraic Geometry Symposium, February 28-March 1, UC Davis
• Automorphic Forms Workshop, March 2-5, U. Michigan
• Jacquet-Langlands correspondence, March 2-6, CIRM, Luminy
• Constructive Methods in Number Theory, March 2-6, Bonn
• Chow groups, motives, and derived categories, March 9-13, IAS, Princeton
• p-adic methods in the theory of classical automorphic forms, March 9-14, CRM, Montréal
• AMS Central Spring Sectional, special session on Arithmetic of Hyperelliptic Curves, March 14-15, East Lansing, Michigan
• Arizona Winter School: Arithmetic and Higher-Dimensional Varieties, March 14-18, Tucson
• AGNES, March 20-22, Boston College
• Artin approximation and infinite dimensional geometry, March 23-27, CIRM, Luminy
• Spring School on p-adic Arithmetic, March 23-27, Essen
• LMFDB workshop on genus 2 curves, March 23-27, University College, Dublin
• Elliptic Curves, Modular Forms and Iwasawa Theory (John Coates 70th), March 25-27, Cambridge
• Recent trends in p-adic cohomology, March 25-27, Imperial College, London
• The Kudla programme, April 6-10, CRM, Montréal
• Upstate Number Theory Conference, April 10-12, Cornell University
• Student Tropical Algebraic Geometry Symposium 2015, April 17-19, Brown U., Providence
• Southern California Number Theory Day, April 18, Caltech
• Mathematics of Lattices and Cybersecurity, April 21-24, ICERM, Providence
• BC-Northeastern Algebraic Geometry Seminar, April 25, Northeastern U., Boston
• Arithmetic and algebraic differentiation: Witt vectors, number theory and differential algebra (Alexandru Buium 60th), May 6-10, Berkeley
• Cryptography Day at UCI, May 13, UC Irvine
• Number Theory Days, May 15-16, EPFL, Lausanne
• Analytic Aspects of Number Theory, May 18-22, ETH, Zurich
• Pacific Northwest Number Theory Conference, May 16-17, Eugene (Oregon)
• Arithmetic, Geometry, Cryptography, and Coding Theory, May 18-22, CIRM, Luminy
• Zeta Functions -- New Theory and Computations, May 18-22, Greensboro
• Southern California Number Theory Day (John Tate 90th), May 23, UC San Diego
• Chicago Number Theory Day, May 23, UIC, Chicago
• Sage Days, May 23-27, San Diego
• Algebraic Varieties and their Moduli, May 25-June 5, Pisa
• Rational Points, May 25-29, IMPA, Rio de Janeiro
• p-adic methods in number theory (Robert Coleman memorial), May 26-30, Berkeley
• Equivariant and motivic homotopy theory, May 30-31, Reed College, Portland (Oregon)
• Non-archimedean geometry and its applications, June 1-5, Ann Arbor
• Géométrie Algébrique en Liberté (GAeL) XXIII, June 1-5, Leuven
• Arithmetic and other mathematics (Joseph Oesterlé), June 2-3, IHP, Paris
• Journées arithmétiques à Lyon, June 10-12, Lyon
• Grothendieck 2015, June 15-19, Montpellier
• Frontiers in Serre's Modularity Conjecture: Torsion and Low Weights, June 15-19, Luxembourg
• Around Langlands correspondences, June 17-20, Paris
• Arithmetic geometry, representation theory and applications, June 22-26, CIRM, Luminy
• Number Theory and Physics, June 22-26, IMPA, Rio de Janeiro
• Function fields, zeta functions and Drinfeld modular forms (David Goss), June 22-26, Imperial College, London
• Quantitative arithmetic geometry, June 22-26, Inst. Mittag-Leffler, Stockholm
• Rational Points 2015, June 28-July 5, Schloss Schney
• Explicit Methods in Number Theory, July 5-11, Oberwolfach
• Journées Arithmétiques, July 6-10, Debrecen
• Graduate student BOOTCAMP for the 2015 Algebraic Geometry Summer Research Institute, July 6-10, Univ. of Utah
• 2015 AMS Algebraic Geometry Summer Research Institute, July 12-31, Univ. of Utah
• Iwasawa 2015, July 13-17, King's College, London
• Lluís Santaló Summer School 2015,"Number theory and arithmetic geometry", July 13-17, Santander
• French-German Summer School: Galois Theory and Number Theory, July 18-24, Konstanz
• Pan Asian Number Theory, July 20-24, Tsinghua U.
• Computational representation theory in number theory (LMFDB workshop), July 27-31, Oregon State U., Corvallis
• Third Bucharest Number Theory Day, August 3, Bucharest
• SIAM Conference on Applied Algebraic Geometry, August 3-7, KAIST, Taejeon
• Students' Workshop on Tropical and Non-Archimedean Geometry, August 3-7, Regensburg
• Silvermania, August 11-15, Brown
• Illinois Number Theory Conference, August 13-14, Champaign-Urbana
• Lifting problems and Galois theory, August 16-21, BIRS, Banff
• Arithmetic of Euler Systems, August 22-30, Benasque
• Reductions of Shimura Varieties, August 23-29, Oberwolfach
• Non-archimedean analytic geometry: theory and practice, August 24-28, Papeete
• Mathematics of Cryptography, August 31-September 3, UC Irvine
• Computational Aspects of Algebraic Geometry, Automorphic Forms, and Number Theory, August 31-September 4, Tsinghua U.
• Summer school 2015: On perfectoid spaces, August 31-September 5, Bressanone (Brixen)
• Sage Days: Women in Sage, September 4-8, San Diego
• Analytic Number Theory and Diophantine Geometry, September 7-11, Hannover
• Boston University/Keio University Workshop, September 8-12, Boston U.
• AGNUBC: BC-Northeastern Algebraic Geometry Conference, September 12, Northeastern U., Boston
• PAlmetto Number Theory Series XXIV, September 12-13, Emory U., Atlanta
• The use of linear algebraic groups in geometry and number theory, September 13-18, BIRS, Banff
• D-modules and singularities, September 14-16, Padova
• p-adic Hodge theory and Iwasawa theory, September 14-18, Bielefeld
• LMS-CMI Summer School on Diophantine Equations, September 15-19, Hay-on-Wye, Wales
• Algebraic geometry (Arthur Ogus 70th), September 23-25, IHES, Bures-sur-Yvette
• ECC (Elliptic Curve Cryptography), September 23-25 (summer school), September 28-30 (workshop), Bordeaux
• Motives and Automorphic Forms, September 28-October 2, Oxford
• Modular forms and curves of low genus: computational aspects, September 28-October 2, ICERM, Providence
• Local-Global Principles and Their Obstructions, October 1-3, U. Penn., Philadelphia
• AGNES, October 2-4, Brown U., Providence
• Maine/Quebec Number Theory Conference, October 3-4, U. Maine, Orono
• The geometry, algebra and analysis of algebraic numbers, October 4-9, BIRS, Banff
• Young Women in Algebraic Geometry, October 5-7, Bonn
• Western Algebraic Geometry Symposium, October 17-18, U. Washington, Seattle
• Explicit methods for modularity of K3 surfaces and other higher weight motives, October 19-23, ICERM, Providence
• AMS Special Session: Recent Advances in Number Theory, October 24-25, CSU Fullerton
• Computational aspects of L-functions, November 9-13, ICERM, Providence
• Moduli Spaces and Arithmetic Geometry (Frans Oort 80th), November 9-13, Lorentz Center, Leiden
• Eisenstein Series on Kac-Moody Groups and Applications to Physics, November 12-20, KIAS, Seoul
• K3 surfaces and related topics, November 16-20, KIAS, Seoul
• Arithmetic Dynamics (RTG workshop), December 3-6, U. Michigan, Ann Arbor
• N^3-days III, December 4-5, Chalmers U., Göteborg, Sweden
• Bay Area Algebraic Number Theory and Arithmetic Geometry Day, December 5, UC Santa Cruz
• PAlmetto Number Theory Series XXV, December 5-6, Clemson U., Clemson
• The IUT theory of Shinichi Mochizuki, December 7-11, Oxford
• Algebraic Geometry, December 10-16, ISI, Bengaluru
• Non-Archimedean Geometry and Applications, December 13-19, Oberwolfach
• West Coast Number Theory Conference, December 15-19, Pacific Grove

2016

As in previous years, I have separated off long programs (two months or longer).

• Complex, p-adic, and logarithmic Hodge theory and their applications, March 6-April 29, Simons Center for Geometry and Physics, Stony Brook
• Combinatorial Algebraic Geometry, July-December 2016, Fields Institute, Toronto

And here is the regular conference list.

• AMS-MAA Joint Meetings: special sessions on Arithmetic Dynamics, Higher Genus Curves, Number Theory and Cryptography, January 6-9, Seattle
• Geometric Methods and Langlands Functoriality in Positive Characteristic, January 11-15, CIRM, Luminy
• Atelier PARI/GP 2016, January 11-15, Institut Fourier, Grenoble
• Indo-French Program for Mathematics, January 11-24, Chennai
• First Joint GAP-Sage Days, January 13-16 (coding sprint), January 18-22 (workshop), St. Andrews
• Complex Algebraic Geometry, January 15-18, UCSD
• Lattices and Applications in Number Theory, January 17-23, MFO, Oberwolfach
• Knowledge representation in mathematical software and databases, January 25-27, St. Andrews
• Hausdorff School: Arithmetic Groups, their Cohomology and Arithmetic Applications, January 25-29, Hausdorff Center, Bonn
• Arithmetic aspects of moduli spaces, January 25-29 (school), February 1-5 (workshop), EPFL, Lausanne
• An introductory Workshop on the Minimal Model Program, February 8-10, Hannover
• Southern California Number Theory Day, February 20, UC San Diego
• Algebraic Geometry for Coding Theory and Cryptography, February 22-26, IPAM, Los Angeles
• L-Functions and Automorphic Forms, February 22-26, Heidelberg
• Recent developments in integral p-adic cohomology theories, February 29-March 3, Hausdorff Center, Bonn
• Automorphic Forms Workshop, March 7-10, Wake Forest U., Winston-Salem
• Arizona Winter School: Analytic Methods in Arithmetic Geometry, March 12-16, Tucson
• re:boot Number Theory 2016, March 17-20, Duke
• Sage Days: Explicit p-adic methods in number theory, March 20-24, Oxford
• 2016 British Mathematical Colloquium (number theory special session), March 21-24, Bristol
• L-Functions and Modular Forms Database, March 21-April 1, Bristol
• Dynamics and Graphs over Finite Fields: Algebraic, Number Theoretic and Algorithmic Aspects, March 29-April 2, CIRM, Luminy
• Algebraisation and Geometrisation in the Langlands Program, March 29-April 1, Bristol
• Arbeitsgemeinschaft: The Geometric Langlands Conjecture, April 3-9, MFO, Oberwolfach
• Explicit Methods in Number Theory (John Cremona 60th), April 4-8, Warwick
• AGNES, April 8-10, Yale
• Diophantische Approximationen, April 10-16, MFO, Oberwolfach
• Moduli spaces and Modular forms, April 24-30, MFO, Oberwolfach
• Algebraic, Tropical, and Nonarchimedean Analytic Geometry of Moduli Spaces, May 1-6, Oaxaca
• Motives and derived algebraic geometry, May 6-8, Duisburg-Essen
• Macaulay2 development workshop, May 7-10, Utah
• Curves over Finite Fields, May 9-20, Utah Valley U.
• Moduli and Automorphic Forms: a Meeting for Women in Mathematics, May 12-14, Humboldt U., Berlin
• Local and Global Methods in Algebraic Geometry (Lawrence Ein 60th), May 12-15, UIC, Chicago
• Pacific Northwest Number Theory Conference, May 14-15, Corvallis
• The Galois theory of orbits in arithmetic dynamics, May 16-20, AIM, San Jose
• The p-adic Langlands program and related topics, May 16-20, Indiana U., Bloomington
• Introduction to Relative Aspects in Representation Theory, Langlands Functoriality and Automorphic Forms, May 16-20, CIRM, Luminy
• Number theory and physics, May 23-25, IHP, Paris
• Relative Trace Formula, Periods, L-functions and Harmonic Analysis, May 23-27, CIRM, Luminy
• Two approaches towards local uniformization and resolution of singularities in characteristic p>0, May 23-27, Institut Mittag-Leffler, Stockholm
• Sino-French Conference in Algebraic and Arithmetic Geometry, May 23-27, Bordeaux
• Conference "Arithmetic L-functions and Differential Geometric Methods (Regulators IV)", May 23-28, Jussieu
• Fundamental Groups in Arithmetic Geometry, May 26-June 3, IHP, Paris
• Représentations p-adiques et fonctions L, May 30-June 1, Bordeaux
• 2016 Taipei Workshop on Shimura Varieties and Related Topics, May 30-June 3, Academia Sinica, Taipei
• p-adic L-functions day in Cambridge, June 1, Cambridge U.
• XXVIIe Rencontres Arithmétiques de Caen, June 1-3, Caen
• Southern New England Conference on Quadratic Forms and Modular Forms, June 2-4, Wesleyan U., Middletown, CT
• Algebraic Cycles and Moduli, June 2-8, CRM, Montreal
• N^3-days IV, June 3-4, Copenhagen
• Student Tropical Algebraic Geometry Symposium, June 3-5, Yale
• Arakelov theory and automorphic forms (Jürg Kramer 60th), June 6-9, Humboldt U., Berlin
• Cohomology of Arithmetic Groups (Joachim Schwermer 60th), June 6-10, MPIM, Bonn
• Benjamin Peirce Centennial Conference, June 10-12, Harvard
• L-functions and arithmetic (Karl Rubin 60th), June 13-16, Harvard
• Geometry, Algebra, Number Theory, and their Information Technology Applications (Kumar Murty 60th), June 13-16, Fields Inst., Toronto
• Leuca2016 (Michel Waldschmidt 70th), June 13-17, Patù (Lecce), Italy
• Canadian Number Theory Association (CNTA XIV), June 16-18 (graduate summer school), June 20-24 (conference; special session on Richard Guy 100th), U. Calgary
• Algebra and Number Theory, Conference Lyon/Ottawa, June 20-24, Lyon
• New Directions in Iwasawa Theory, June 26-July 1, Banff
• Algebraic K-theory and Motivic Cohomology, June 26-July 2, MFO, Oberwolfach
• Arithmetic and Low Dimensional Hyperbolic Space, June 27-July 1, İstanbul
• Analogies between number field and function field: algebraic and analytic approaches, June 27-July 1, Lyon
• Arithmetic Statistics and the Cohen–Lenstra Heuristics, June 27-July 1, Warwick
• Algebraization theorems: from GAGA to foliations over number fields, July 4-8, Tatihou Island, France
• Second French-Korean Conference in Mathematics, July 4-6 (summer school), July 7-12 (conference), Bordeaux
• Automorphic Forms on Metaplectic Groups and Related Topics, July 4-15, IISER, Pune
• EAUMP-ICTP School in Number Theory, July 4-22, Kigali, Rwanda
• Workshop on Bianchi modularity, July 11-15, Luxembourg
• Building Bridges: 3rd EU/US Summer School + Workshop on Automorphic Forms and Related Topics, July 11-16 (summer school), July 18-22 (workshop), Sarajevo
• Higher Dimensional Algebraic Geometry Summer School and Conference, July 18-26, Salt Lake City
• IUT summit, July 18-27, RIMS, Kyoto
• Whittaker Functions: Number Theory, Geometry and Physics, July 24-29, Banff
• Interactions between Model Theory and Arithmetic Dynamics, July 25-29, Fields Inst., Toronto
• Chip Firing and Tropical Curves (summer graduate workshop), July 25-August 5, MSRI, Berkeley
• Cycles on Moduli Spaces, Geometric Invariant Theory, and Dynamics, August 1-5, ICERM, Providence
• Lattices and applications to cryptography and coding theory, August 1-12, Ho Chi Minh City
• Arithmetic Geometry, August 7-13, MFO, Oberwolfach
• Combinatorial Structures in Geometry, August 8-12, Osnabrueck
• 2016 West Coast Algebraic Topology Summer School (topic: homotopy theory and number theory), August 8-13, U. Oregon, Eugene
• Connecticut Summer School in Number Theory, August 8-14, U. Connecticut, Storrs
• Galois Representations and Automorphic Forms, August 14-20, Banach Center, Będlewo
• Motives and complex multiplication, August 15-19, Monte Verità, Switzerland
• Arithmetic Geometry and L-functions (Kumar Murty 60th), August 17-21, Kozhikode, Kerala, India
• Mathematical Structures for Cryptography, August 22-26, Lorentz Center, Leiden
• The Georgia Summer Workshop in Algebraic Geometry, August 26-29, U. Georgia
• Algorithmic Number Theory Symposium (ANTS XII), August 29-September 2, Kaiserslautern
• Arithmetic Algebraic Geometry, August 29-September 2, NYU
• Topological Approaches to Algebra and Arithmetic Geometry, September 2-4, U. Georgia
• Elliptic Curve Cryptography, September 1-4 (summer school), September 5-7 (conference), İzmir
• Arakelov Geometry - Archimedean and Non-Archimedean Aspects, September 5-9, Regensburg
• Automorphic forms: theory and computation, September 5-9, King's College, London
• Kummer Classes and Anabelian Geometry, September 10-11, Vermont
• Higher dimensional algebraic geometry and characteristic p, September 12-16, CIRM, Luminy
• Differential forms in algebraic geometry, September 19-23, Freiburg
• Non-commutative, derived and homotopical methods in geometry, September 19-24, Antwerp
• Women in Numbers Europe-2, September 25-October 2, Şirince
• Rational Points and Algebraic Geometry, September 26-30, CIRM, Luminy
• Recent Developments on Elliptic Curves, September 26-30, CMI, Oxford
• Québec/Maine Number Theory Conference, October 8-9, U. Laval, Québec
• Special day on motivic integration and non-archimedean geometry, October 10, Lille
• Oberwolfach Seminar: Perfectoid Spaces, October 16-22, MFO, Oberwolfach
• Definability and Decidability Problems in Number Theory, October 23-29, MFO, Oberwolfach
• Fields Medal Symposium: Manjul Bhargava, November 1-4, Fields Inst., Toronto
• AGNES, November 4-6, U. Mass., Amherst
• Analytic Number Theory, November 6-12, MFO, Oberwolfach
• Global Langlands correspondence, December 5-9, AIM, San Jose