The 68th Geometry Symposium : Program(Aug. 31st 〜 Sep. 3rd, 2021 : Zoom)

Aug. 31st
9:30-10:30

PlenaryHiraku Nakajima(KAVLI IPMU, University of Tokyo)
Intersection cohomology groups of instanton moduli
spaces and cotangent bundles of affine flag varieties

10:50-11:50 Plenary

Masahito Yamazaki (KAVLI IPMU, Univeristy of Tokyo)
Quiver Yangians and Donaldson-Thomas invariants
Session A：
Shintaro Akamine (Nihon University)
Reflection principles for maximal surfaces

Session B：
Tomoya Akamatsu (Osaka University)
A new transport distance and its associated Ricci curvature ofhypergraphs

14:30-15:10 Parallel

Kazuhiro Okumura (NIT, Asahikawa College)
A certain tensor on real hypersurfaces in a nonflat
complex space form

Hiroshi Tsuji (Osaka University)
Dilation type inequalities for strongly-convex sets in weighted
Riemannian manifolds

15:30-16:10 Parallel

Naomichi Nakajima (Hokkaido University)
Local normal forms of e/m-wavefronts in flat affine
coordinates

Daisuke Kazukawa (Osaka University)
Convergence of high-dimensional ellipsoids, spheres, andprojective spaces

13:30-14:10 Parallel

Sep. 1st
9:30-10:30

Plenary

10:50-11:50 PlenaryQing-Ming Cheng (Fukuoka University)
Chern problems on minimal hypersufaces
Yasushi Homma (Waseda University)
Higgs algebra in harmonic analysis on the Grassmannianof 2-planes
Session A：
Shinichiro Kobayashi (Tohoku University)
On the higher Laplace eigenvalues of vertex-transitivegraphs

Session B：
Yoshiki Kaneko (Waseda University)
Local solutions of the tt*-Toda equations and quantum
cohomology of inuscule flag manifolds

14:30-15:10 Parallel

Hiroki Nakajima (Tohoku University)
Convergence of group actions in metric measuregeometry

Takuma Tomihisa (Waseda University)
Spinor analysis on spaces of constant curvature

15:30-16:10 Parallel

Ryuya Namba (Ritsumeikan University)
Random walks on covering graphs of polynomial volume
growth via discrete geometric analysis

Yuya Ikeda (Hiroshima University)
Designs on vector bundles

13:30-14:10 Parallel

Sep. 2nd
9:30-10:30

Plenary

10:50-11:50 Plenary

Yosuke Morita (Kyoto University)
The existence problem of compact quotients of nonRiemannian homogeneous spaces
Mayuko Yamashita (RIMS)
The classification problem of non-topological invertible
QFT's and a “differential” model for the Anderson duals
Session A：Satoshi Nakamura (NIT, Numazu College)
On coupled Kähler-Einstein metrics on Fano manifolds

Session B：
Masahiro Kawamata (Hiroshima University)
On properties of the generalized Monge–Ampere equation and its
geometric singular solution

14:30-15:10 Parallel

Shunsuke Saito (Tokyo University of Science)
Asymptotic Chow polystability of polarized toric surfaces

Kaname Hashimoto (Osaka City University/Yamato University)
Totally complex submanifolds and R-spaces

15:30-16:10 Parallel

Yuya Takahashi (Nagoya University)
The polygon space and geometric quantization

Yoshito Ishiki (RIKEN, Photonics Control Technology Team)
Typical geometric properties in spaces of metrics

Sep. 3rd
9:50-10:30

Session A：
Atsufumi Honda (Yokohama National University)
Singularities of spacelike mean curvature one surfaces inde Sitter space

Session B：
Yuichi Ike (University of Tokyo)
Microlocal sheaf theory and energy estimates in symlectic
geometry

13:30-14:10 Parallel

Parallel

10:50-11:50 Plenary

Yoshihiro Ohnita (Osaka City University)
Geometry of submanifolds related to isoparametricsubmanifolds

13:30-14:30 Plenary

Kenji Fukaya (SCGP, State University of New York)
Gromov-Hausdorff distance between filtered A infinity
categories