Topology-Geometry Seminar-E

Hiroshima University Topology-Geometry Seminar Information

Topology-Geometry Seminar is held on every Tuesday.
The talks are given mainly in Japanese.
Topology-Geometry Seminar 2008 starts on April 8, 2008.
Japanese version is here.

Speakers and Title of Talks

2/23 : Tomomi KAWAMURA(Nagoya University)
Link cobordisms and an estimate of the Rasmjussen invariant for links
2/2 : Tetsuya ABE(Osaka City University)
An estimation of the alternation number of a knot
1/12 : Hiroyasu Satoh(School of Information Environment, Tokyo Denki University)
Information geometry of Poisson kernel and related topics
12/15 : Naotsugu Chinen(Hiroshima Institute of Technology)
Asymptotic dimension of proper CAT(0) spaceswhich are homeomorphic to Euclidean spaces
12/8 : Donghi Lee(Pusan National University)
Small cancellation theory applied to 2-bridge link groups
12/1 : Kazuhiro Shibuya (Hiroshima University)
Prolongations of canonical systems on Jet spaces
11/24 : Takao Matumoto(Hiroshima University)
On final step to smooth unknotting conjecture in dimension four
11/17 : Takao Matumoto(Hiroshima University)
On final step to smooth unknotting conjecture in dimension four
11/10 : Atsutaka Kowata(Hiroshima University)
Invariant differential operators on the Schr{\" o}dinger modelof the indefinite orthogonal group
10/20 : Makoto Matsumoto (Hiroshima University)
Relations among Dehn twists given by deformation of simple singularities
10/13 : Yoshiro Yaguchi (Hiroshima University)
Hurwitz orbits on the Coxeter type
10/6 : Kenneth Shackleton(IPMU)
On the coarse geometry of Teichmueller space
7/28 : Koji Fujiwara(Graduate School of Information Science, Tohoku University)
The asymptotic dimension of mapping class groups is finite
7/21 : Hui Ma (Tsinghua University, China and OCAMI)
On Lagrangian submanifolds of complex hyperquadrics
7/10 : Sebastian Baader（ETH Zurich）
Scissor equivalence for torus links
6/30 : Kengo Kishimoto (Osaka City University)
The IH-complex of spatial trivalent graphs
6/23 : Kazuto Takao (Osaka University)
The stabilization problem for Heegaard splittings
6/16 : Seiichi Kamada (Graduate School of Science, Hiroshima University
Quandles and their presentations
6/9 : Kensuke Onda (Graduate School of Mathematics, Nagoya University)
Ricci Flow on 3-dimensional Lie groups and 4-dimensional Ricci-flat manifolds
6/2 : Iain Aitchison
Explicit moduli for closed genus 2 surfaces
5/26 : Shinobu Fujii (Graduate school of Sciense, Hiroshima University)
On isoparametric hypersurfaces in spheres and moment maps
5/19 : Koki Masumoto (Osaka University)
Thrice-punctured spheres and volume of manifolds obtained by Dehn surgery
5/12 : Hiroshi Tamaru (Graduate School of Science, Hiroshima University)
Hyperpolar homogeneous foliations on symmetric spaces of noncompact type
4/21 : Yoshio Agaoka (Graduate School of Science, Hiroshima University)
Invariants of triangle centers and the Euler line

The seminars held in the past (academic) years

Topology group

Makoto Sakuma email : sakuma@math.sci.hiroshima-u.ac.jp
Hiroshi Tamaru email : tamaru@math.sci.hiroshima-u.ac.jp