Past Conferences in Arithmetic Geometry

Revision as of 19:21, 21 October 2015

Links for past conferences may no longer work. Sic transit gloria mundi. For future conferences, go back to Conferences in Arithmetic Geometry.

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