― 対称性・特異点・応用の視点から―

Geometric Structures and Differential Equations
-- Symmetry, Singularity, and Applications --

Programme

Monday, 13/July/2026
12:50 - 13:00
Opening
13:00 - 14:00
Kazuyuki Yagasaki (Kyoto University)
Linearization and integrability of continuous and discrete dynamical systems
14:15 - 15:15
Keiichi Sakai (Shinshu University)
Diffeological spaces and their Riemannian structures
15:30 - 16:30
Irina Markina (University of Bergen) online
Nilpotent Lie groups and ultra-hyperbolic differential operators


Tuesday, 14/July/2026
10:00 - 11:00
Holger Dullin (University of Sydney)
The n-body problem on coadjoint orbits
11:15 - 12:00
Yusaku Tiba (Ochanomizu University)
On the Bohr-Sommerfeld condition and the convergence of holomorphic sections
14:00 - 15:00
Shouhei Honda (University of Tokyo)
Gel'fand's inverse problem under Ricci curvature bounds
15:15 - 16:15
Yoshihiro Fukumoto (Ritsumeikan University)
Involutions on 4-dimensional orbifold cobordisms


Wednesday, 15/July/2026
10:00 - 11:00
Chisato Iwasaki (University of Hyogo)
Heat kernels for Laplacians on infinite cones in low dimensions
11:15 - 12:15
Takaharu Yaguchi (Kyushu University)
Methods for learning symplectic forms
14:00 - 15:00
Ursula Ludwig (University of Côte d'Azur)
Analytic torsion on singular spaces
14:50 - 15:40
Yurii Nikonorov (Southern Mathematical Institute of VSC RAS) online
Properties of plane angles of tetrahedra with a given base


Thursday, 16/July/2026
10:00 - 11:00
Junya Takahashi (Tohoku University)
Comparison of the eigenvalues of the Hodge-Laplacian and special differential forms
11:15 - 12:00
Hajime Fujita (Japan Women's University)
On a compactification of the orthogonal foliation via toric geometry
14:00 - 15:00
Jérémie Pierard de Maujouy
Statistical cones from thermodynamics on nilpotent coadjoint orbits
15:15 - 16:15
Kiyoshi Takeuchi (Tohoku University)
Lagrangian cycles and constructible sheaves


Friday, 17/July/2026
11:00 - 12:00
Shigeki Matsutani (Kanazawa University)
Algebro-geometric solutions of the MKdV equation and the supercoiled structure of DNA
13:30 - 14:30
Konstantinos Efstathiou (Duke Kunshan University)
Singular Lagrangian fibration of a Tavis-Cummings system with an $A_2$ singularity
14:40 - 15:40
Toshihiro Iwai (Kyoto University)
Jahn-Teller systems with cubic symmetry in the bundle formulation
15:40 - 15:50
Closing