• 
  Algebraic approaches to mapping class groups of surfaces
  May 19 (Mon) - 23 (Fri), 2025
  Lecture Hall, Graduate School of Mathematical Sciences, The University of Tokyo [2025/05/14]
• 
  Professor Emeritus Michio Jimbo has been awarded the Order of the Sacred Treasure, Gold and Silver Star, in the Spring 2025 conferment of honors. [2025/04/29]
• 
  Elliptic and Parabolic Partial Differential Equations and Geometric Analysis
  April 22-23, 2025
  Room 002 Graduate School of Mathematical Sciences, The University of Tokyo [2025/04/21]
• 
  Arithmetic France-Japan in Tokyo 2025
  April 14-18, 2025
  Lecture Hall, Graduate School of Mathematical Sciences, The University of Tokyo [2025/03/13]
• 
  Associate Professor Hokuto KONNO was awarded the 2025 MSJ Spring Prize.
  Honoured theme：Family gauge theory and its applications to four-dimensional topology [2025/03/12]

• 2025/05/21
  Number Theory Seminar   17:00-18:00   Room #117
  

  Toni Annala (University of Chicago)
  A¹-Colocalization and Logarithmic Cohomology Theories
• 2025/05/23
  Algebraic Geometry Seminar   13:30-15:00   Room #118
  

  Takuya Miyamoto (University of Tokyo)
  Pathology of formal locally-trivial
  deformations in positive characteristic
• 2025/05/26
  Seminar on Geometric Complex Analysis   10:30-12:00   Room #128
  

  Shin-ichi Matsumura (Tohoku Univ.)
  Fundamental groups of compact K\"ahler manifolds with semi-positive holomorphic sectional curvature (Japanese)
• 2025/05/27
  Tuesday Seminar of Analysis   16:00-17:30   Room #002
  

  TAIRA Koichi (Kyushu University)
  Semiclassical behaviors of matrix-valued operators (Japanese)
• 2025/05/30
  Colloquium   15:30-16:30   Room #大講義室(auditorium)
  

  John A G Roberts (School of Mathematics and Statistics, UNSW Sydney / Graduate School of Mathematical Sciences, The University of Tokyo)
  Arithmetic and geometric aspects of the (symbolic) dynamics of piecewise-linear maps (English)
• 2025/06/03
  Operator Algebra Seminars   16:45-18:15   Room #117
  

  Takehiko Mori (Chiba University)
  Application of Operator Theory for the Collatz Conjecture
   
   
  Infinite Analysis Seminar Tokyo   15:00-16:00   Room #123
  

  Veronica Fantini (Laboratoire Mathématique Orsay)
  Modular resurgence (English)
• 2025/06/05
  Geometric Analysis Seminar   14:00-16:30   Room #002
  

  Chao Li (New York University)
  On the topology of stable minimal hypersurfaces in a homeomorphic $S^4$ (英語)

  Ruobing Zhang (University of Wisconsin–Madison)
  TBA (英語)
• 2025/06/09
  Seminar on Geometric Complex Analysis   10:30-12:00   Room #128
  

  Nobuhiro Honda (Institute of Science Tokyo)
  TBA (Japanese)
• 2025/06/10
  Numerical Analysis Seminar   16:30-18:00   Room #002
  

  Nobuyuki Oshima (Faculty of Engineering, Hokkaido Univsersity)
  Immersed-boundary Navier-Stokes equation and its application to image data (Japanese)
   
   
  Tuesday Seminar on Topology   17:00-18:30   Room #ハイブリッド開催/056
  Pre-registration required. See our seminar webpage.
  

  Takayuki Morifuji (Keio University)
  Bell polynomials and hyperbolic volume of knots (JAPANESE)
• 2025/06/16
  Seminar on Geometric Complex Analysis   10:30-12:00   Room #128
  

  Masakazu Takakura (Tokyo Metropolitan Univ.)
  On the sharp $L^2$-estimate of Skoda division theorem (Japanese)
• 2025/06/17
  Operator Algebra Seminars   16:45-18:15   Room #117
  

  Hikaru Awazu (University of Tokyo)
  Amenability of group actions on compact spaces and the associated Banach algebras
   
   
  Tuesday Seminar on Topology   17:00-18:30   Room #ハイブリッド開催/056
  Pre-registration required. See our seminar webpage.
  

  Taketo Sano (RIKEN iTHEMS)
  A diagrammatic approach to the Rasmussen invariant via tangles and cobordisms (JAPANESE)

3-8-1 Komaba Meguro-ku Tokyo 153-8914, Japan   TEL: 03-5465-7001 FAX: 03-5465-7011