February 1--July 15, 2009: Research Programme on Harmonic Analysis, Geometric Measure Theory and Quasiconformal Mappings: An i-MATH activity - Centre de Recerca Matem mática, Bellaterra, Spain.
February 2--6, 2009: Advanced Course on Mathematical Biology: Modeling and Differential Equations - Centre de Recerca Matemàtica, Campus de la Universitat Autònoma, Barcelona, Spain. New!
February 3--7, 2009: 30th Linz Seminar on Fuzzy Set Theory - Bildungszentrum St. Magdalena, Linz, Austria.
February 9--13, 2009: Conference on Mathematical Biology: Modeling and Differential Equations - Centre de Recerca Matemática, Campus de la Universitat Autònoma Barcelona, Spain. New!
February 9--13, 2009: Laplacian Eigenvalues and Eigenfunctions: Theory, Computation, Application - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California.
February 16--20, 2009: Workshop on Complex Geometry - University of Adelaide, Australia.
February 16--21, 2009: III School and Workshop on Mathematical Methods in Quantum Mechanics - Casa della Gioventù, Bressanone/Brixen, Italy.
February 23--27, 2009: Modern Moduli Theory - Mathematical Sciences Research Institute, Berkeley, California.
February 23--27, 2009: Rare Events in High-Dimensional Systems - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California.

March 2009

March 9--June 12, 2009: Quantum and Kinetic Transport: Analysis, Computations, and New Applications - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California.
March 10--13, 2009: IPAM/Quantum and Kinetic Transport Equations: Tutorials - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California. New!
March 14, 2009: Statistical Methods for Complex Data: A conference in honor of the 60th birthday of Raymond J. Carroll - Texas A& M University, Department of Statistics, College Station, Texas.
March 15--17, 2009: Frontier Probability Days 2009 - University of Utah, Salt Lake City, Utah. New!
March 15--20, 2009: ALGORITMY 2009 Conference on Scientific Computing - Hotel Permon, Podbanske, High Tatra Mountains, Slovak Republic.
March 18--20, 2009: IAENG International Conference on Scientific Computing ICSC 2009 - Regal Kowloon Hotel, Kowloon, Hong Kong.
March 22--26, 2009: SETIT 2009: The Fifth International Conference Sciences of Electronic, Technologies of Information and Telecommunications - Hammamet, Tunisia.
March 23--27, 2009: Combinatorial, Enumerative and Toric Geometry - Mathematical Sciences Research Institute, Berkeley, California.
March 27--28, 2009: 35th Annual New York State Regional Graduate Mathematics Conference - Syracuse University, Syracuse, New York. New!
March 27--29, 2009: AMS Central Section Meeting - University of Illinois at Urbana-Champaign, Urbana, Illinois.
March 27--29, 2009: GSCC09: Fifth Annual Graduate Student Combinatorics Conference - University of Kentucky, Lexington, Kentucky.
March 30--April 3, 2009: Quantum and Kinetic Transport: Computational Kinetic Transport and Hybrid Methods - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California. New!

April 2009

April 4--5, 2009: AMS Southeastern Section Meeting - North Carolina State University, Raleigh, North Carolina.
April 6--10, 2009: The 3D Euler and 2D surface quasi-geostrophic equations - American Institute of Mathematics, Palo Alto, California.
April 15--17, 2009: Quantum and Kinetic Transport: The Boltzmann Equation - DiPerna-Lions Plus 20 Years - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California. New!
April 16--18, 2009: New Results on the Discrepancy Function, and Related Results, University of Arkansas Spring Lecture Series - University of Arkansas, Fayetteville, Arkansas. New!
April 20--22, 2009: Geometry and Physics: Atiyah80 - Edinburgh, Scotland, United Kingdom. New!
April 25--26, 2009: AMS Eastern Section Meeting - Worcester Polytechnic Institute, Worcester, Massachusetts.
April 25--26, 2009: AMS Western Section Meeting - San Francisco State University, San Francisco, California.
April 27--May 1, 2009: Combinatorial Challenges in Toric Varieties - American Institute of Mathematics, Palo Alto, California.
April 27--May 1, 2009: Quantum and Kinetic Transport: Flows and Networks in Complex Media - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California. New!
April 30--May 2, 2009: SIAM International Conference on Data Mining - John Ascuaga's Nugget, Sparks, Nevada. New!

May 2009

May 4--8, 2009: Stochastic and Deterministic Spatial Modeling in Population Dynamics - American Institute of Mathematics, Palo Alto, California.
May 7--9, 2009: 8th Mississippi State: UAB Conference on Differential Equations and Computational Simulations - Mississippi State University, Mississippi State, Mississippi.
May 10--15, 2009: ICMI Study 19: Proof and Proving in Mathematics Education - Taipei, Taiwan.
May 11--13, 2009: TQC 2009: The 4th Workshop on Theory of Quantum Computation, Communication, and Cryptography - University of Waterloo, Waterloo, Ontario, Canada. New!
May 11--15, 2009: Workshop and Advanced Course on Deterministic and Stochastic Modelling in Computational Neuroscience and other Biological Topics - Barcelona, Spain.
May 12--14, 2009: 7th International Symposium on Hysteresis Modeling and Micromagnetics (HMM-2009) - Gaithersburg, Maryland.
May 12--16 (NEW DATE), 2009: First Buea International Conference on the Mathematical Sciences - University of Buea, Cameroon.
May 17--21, 2009: SIAM Conference on Applications of Dynamical Systems (DS09) - Snowbird Ski and Summer Resort, Snowbird, Utah.
May 17--22, 2009: Topology, C*-Algebras, and String Duality - an NSF/CBMS Regional Conference in the Mathematical Sciences - Texas Christian University, Fort Worth, Texas.
May 18--22, 2009: Quantum and Kinetic Transport: Asymptotic Methods for Dissipative Particle Systems - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California. New!
May 18--22, 2009: SAMPTA'09 (Sampling Theory and Applications) - Centre International de Rencontres Mathématiques (CIRM), Luminy campus, Marseille, France. New!
May 18--23, 2009: Workshop on Interacting Stochastic Particle Systems - Centre de recherches mathématiques, Université de Montréal, Montréal, Québec, Canada.
May 25--29, 2009: 6th European Conference on Elliptic and Parabolic Problems - Hotel Serapo, Gaeta, Italy.
May 25--29, 2009: 14th International Conference on Gambling & Risk Taking - Harrah's Lake Tahoe, Stateline, Nevada.
May 27--June 1, 2009: The International Conference "Infinite Dimensional Analysis and Topology" - Yaremche, Ivano-Frankivsk, Ukraine.

June 2009

June 1--3, 2009: Global Conference on Power Control and Optimization (PCO'2009) - Bali, Indonesia. New!
June 1--5, 2009: 2nd Chaotic Modeling and Simulation International Conference (CHAOS2009) - MAICh Conference Center, Chania, Crete, Greece. New!
June 3--5, 2009: Conference on Character Theory of Finite Groups in honor of Martin Isaacs - Universitat de Valencia, Spain.
June 3--15, 2009: Interactions Between Hyperbolic Geometry, Quantum Topology and Number Theory Workshop - Columbia University, New York, New York.
June 8--11, 2009: MAMERN09: 3rd International Conference on Approximation Methods and Numerical Modeling in Environment and Natural Resources - University of Pau, Pau, France. New!
June 8--12, 2009: Computational Methods and Function Theory 2009 - Bilkent University, Ankara, Turkey.
June 8--13, 2009: Workshop on Disordered Systems: Spin Glasses - Centre de recherches mathématiques, Université de Montréal, Montréal, Québec, Canada.
June 8--19, 2009: Geometry and Arithmetic around Galois Theory - Galatasaray University, Istanbul, Turkey. New!
June 11--13, 2009: Representation Theory - Institut de Recherche Mathématique Avancée, Université de Strasbourg, 7 rue René Descacrtes, Strasbourg, France. New!
June 14--20, 2009: 47th International Symposium on Functional Equations - Gargnano, Italy. New!
June 14--27, 2009: ESI workshop on large cardinals and descriptive set theory - Esi, Vienna, Austria.
June 15--18, 2009: The 5th International Conference "Dynamical Systems and Applications" - "Ovidius" University of Constantza, Constantza, Romania.
June 15--18, 2009: SIAM Conference on Mathematical & Computational Issues in the Geosciences - Leipziger Kubus Conference Center, Helmholtz - Centre for Environmental Research - UFZ, Leipzig, Germany. New!
June 15--19, 2009: Conference on Harmonic Analysis, Geometric Measure Theory and Quasiconformal Mappings - Barcelona, Spain.
June 15--19, 2009: Waves 2009: The 9th International Conference on Mathematical and Numerical Aspects of Waves Propagation - Pau, France.
June 18--19, 2009: 2nd IMA International Conference on Mathematics in Sport - University of Groningen, The Netherlands.
June 21--27, 2009: Eighth International Conference Symmetry in Nonlinear Mathematical Physics - Institute of Mathematics, National Academy of Sciences of Ukraine, Kyiv (Kiev), Ukraine.
June 22--26 (NEW DATE), 2009: 5th Asian Mathematical Conference (AMC 2009) - Penang /Kulalumpur, Malaysia.
June 22--26, 2009: The 10th European Congress of Stereology and Image Analysis - University of Milan, 20133 Milan, Italy.
June 28--July 18, 2009: IAS/Park City Mathematics Institute (PCMI) 2009 Summer Session: Arithmetic of L-functions - Park City, Utah.
June 29--July 1, 2009: 1st Rapid Modelling Conference - Neuchâtel, Switzerland. New!

July 2009

July 1--3, 2009: International Conference of Applied and Engineering Mathematics 2009 - Imperial College London, London, United Kingdom.
July 5--10, 2009: 22nd British Combinatorial Conference - University of St. Andrews, Fife, Scotland. New!
July 6--8, 2009: SIAM Conference on Control and Its Applications - Sheraton Denver Hotel, Denver, Colorado. New!
July 6--10, 2009: 26th Journées Arithmétiques - Université de Saint-Etienne, Saint-Etienne, France.
July 6--10, 2009: First PRIMA Pacific Rim Congress of Mathematicians - University of New South Wales, Sydney, Australia.
July 6--10, 2009: Journées de Géométrie Arithmétique de Rennes - Institut de Recherche Mathématique de Rennes, Université de Rennes 1, Rennes, France.
July 6--11, 2009: International Conference on Semigroups and Related Topics - Faculty of Sciences of the University of Porto, Porto, Portugal. New!
July 13--17, 2009: 9th International Conference on Finite Fields and Applications - University College Dublin, Dublin, Ireland.
July 14--24, 2009: The 19th International Conference on Banach algebras - Bedlewo, Poland.
July 14--January 15, 2009: Call for Papers: 14th International Conference on Gambling and Risk Taking - University of Nevada, Reno, at Harrah's Lake Tahoe, Nevada.
July 20--24, 2009: 21st International Conference on Formal Power Series & Algebraic Combinatorics - Research Institute for Symbolic Computation, Hagenberg, Austria. New!
July 20--24, 2009: AIP (Applied Inverse Problems) - Vienna, Austria.
July 20--24, 2009: Equadiff 12 - Brno, Czech Republic.
July 20--December 18, 2009: Non-Abelian Fundamental Groups in Arithmetic Geometry - Isaac Newton Institute for Mathematical Sciences, Cambridge, England.
July 27--30, 2009: The Society for Mathematical Biology Annual Meeting - University of British Columbia, Vancouver, Canada.
July 27--31, 2009: 33rd Conference on Stochastic Processes and their Applications - Berlin, Germany.
July 29--July 24, 2009: The Cardiac Physiome Project - Isaac Newton Institute for Mathematical Sciences, Cambridge, England.

August 2009

August 10--12, 2009: Continuing Statistics Education Workshop - Statistics Online Computational resource (SOCR), University of California, Los Angeles, California. New!
August 12--December 18, 2009: Dynamics of Discs and Planets - Isaac Newton Institute for Mathematical Sciences, Cambridge, England.
August 17, 2009: Symplectic and Contact Geometry and Topology - Mathematical Sciences Research Institute, Berkeley, California.
August 17--21, 2009: Modular forms on noncongruence groups - American Institute of Mathematics, Palo Alto, California.
August 17--December 18, 2009: Tropical Geometry - Mathematical Sciences Research Institute, Berkeley, California.
August 24--28, 2009: Relative trace formula and periods of automorphic forms - American Institute of Mathematics, Palo Alto, California.

September 2009

September 12--18 (NEW DATE), 2009: Models in Developing Mathematics Education - Dresden University of Applied Sciences, Dresden, Germany.
September 15--18, 2009: Bogolyubov Kyiv Conference: "Modern Problems of Theoretical and Mathematical Physics" - Bogolyubov Institute for Theoretical Physics, Kyiv, Ukraine.

October 2009

October 5--9, 2009: Combinatorics: Probabilistic Techniques and Applications - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California. New!
October 12--16, 2009: Algebra, Geometry, and Mathematical Physics - The Bedlewo Mathematical Research and Conference Center, Bedlewo, Poland. New!
October 14--16, 2009: The 9th Conference Shell Structures Theory and Applications - Neptun Hotel, Hel Peninsula, Baltic Sea, Jurata, Poland. New!
October 16--18, 2009: AMS Central Section Meeting - Baylor University, Waco, Texas.
October 19--23, 2009: Combinatorics: Combinatorial Geometry - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California. New!
October 19--23, 2009: Higher Reidemeister Torsion - American Institute of Mathematics, Palo Alto, California. New!
October 24--25, 2009: AMS Eastern Section Meeting - Pennsylvania State University, University Park, Pennsylvania.
October 30--November 1, 2009: AMS Southeastern Section Meeting - Florida Atlantic University, Boca Raton, Florida.

November 2009

November 7--8, 2009: AMS Western Section Meeting - University of California, Riverside, California.
November 16--20, 2009: Combinatorics: Analytical Methods in Combinatorics, Additive Number Theory and Computer Science - Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, California. New!

December 2009

December 16--18, 2009: The 4th Indian International Conference on Artificial Intelligence: (IICAI-09) - Tumkur (near Bangalore), India. New!