Hiroshima University Topology-Geometry Seminar Information

Topology-Geometry Seminar is held on every Tuesday.
The talks are given mainly in Japanese.
Topology-Geometry Seminar 2016 starts on April 19, 2016.
Japanese version is here.

Speakers and Title of Talks

• Apr. 19, 2016 (15:00-16:30 at B707):Motoo Tange (University of Tsukuba)
  On cork twists


• Apr. 26, 2016 (15:00-16:30 at B707):Takayuki Okuda (Hiroshima University)
  Spherical Fourier transforms and Delsarte theory on compact symmetric spaces


• May 10, 2016 (15:00-16:30 at B707):Erika Kuno (Tokyo Institute of Technology)
  Disk graphs and right-angled Artin subgroups of handlebody groups


• May 17, 2016 (15:00-16:30 at B707):Masato Mimura (Tohoku University)
  Strong algebraization of fixed point properties


• Jun 7, 2016 (15:00-16:30 at B702):Ryo Furukawa (The University of Tokyo)
  3-dimensional braids and codimension two contact embeddings


• July 12, 2016 (15:00-16:30 at B707):Tetsuya Abe (OCAMI)
  The $d_3$-invariant of fibered knots


• July 19, 2016 (15:00-16:30 at B702):Alex Leontiev (The University of Tokyo)
  Symmetry breaking operators of indefinite orthogonal group O(p,q)


• Aug. 4, 2016 (15:00- at B707):
  Fuchigami Miki (Hiroshima University)
  Torus bundles and torus semi bundles
  
  Erika Hatakeyama (Hiroshima University)
  2-fold branched coverings of knots
  
  Ryota Hiura (Hiroshima University)
  Invariant Seifert surfaces for strongly invertible knots
  
  Takafumi Yamada (Hiroshima University)
  Non-fibered 2-bridge knots with bi-orderable knot groups
  
  Konomi Furuki (Hiroshima University)
  Vertex-transitive graphs and flat homogeneous quandles
  
  Tatsuya Hyuga (Hiroshima University)
  An invariant on Lie algebras and Einstein Lie algebras
  
  Kenji Kawauchi (Hiroshima University)
  Notes of plane crystallographic groups
  
  


• Sept. 13, 2016 (15:00-16:30 at B707): Hirotake Kurihara (National Institute of Technology, Kitakyushu College)
  Euclidean distortions of distance regular graphs


• Oct. 4, 2016 (15:00-16:30 at B707): Takefumi Nosaka (Kyushu University)
  TBA


• Oct. 11, 2016 (15:00-16:30 at B707): Atsumu Sasaki (Tokai Univsersity)
  Admissible representations, multiplicity-free representations and visible actions on non-tube type Hermitian symmetric spaces


• Oct. 18, 2016 (15:00-16:30 at B707): Toshihiro Nakanishi (Shimane University)
  TBA


• Nov. 8, 2016 (15:00-16:30 at B702): Satoshi Murai (Osaka University)
  Combinatorics of triangulated manifolds


• Nov. 15, 2016 (15:00-16:30 at B707): Takahiro Oba (Tokyo Institute of Technology)
  Higher-dimensional contact manifolds with infinitely many Stein fillings


• Nov. 29, 2016 (15:00-16:30 at B702): Kazuto Takao (Research Institute for Mathematical Sciences, Kyoto University)
  Singularities of three functions and the product maps


• Dec. 6, 2016 (13:00-14:30 at B707): John Parker (Tokyo Institute of Technology, Durham University)
  A complex hyperbolic Riley slice


• Dec. 6, 2016 (15:00-16:30 at B707): Masaaki Umehara (Tokyo Institute of Technology)
  isometric deformation of cuspidal edges and swallowtails


• Jan. 17, 2017 (15:00-16:30 at B707): Naoya Shimamoto (The University of Tokyo)
  Description of infinite orbits on multiple flag varieties of type A


• Jan. 23, 2017 (15:00-16:30 at B707): Iain Aitchison (Melbourne)
  Transcription complexes


• Jan. 24, 2017 (15:00-16:30 at B707): Stefan Rosemann (Okayama University)
  C-projective transformations on Kahler manifolds


• Feb. 7, 2017 (15:00-16:30 at B707): Ken'ichi Yoshida (The University of Tokyo)
  Union of 3-punctured spheres in a hyperbolic 3-manifold


• Mar. 9, 2017 (15:00-16:30 at B707): Vladimir Matveev (Friedrich Schiller University Jena)
  Finsler metrics of constant curvature


• Mar. 16, 2017 (15:00-16:30 at B707): Sang-hyun Kim (Seoul National University)
  Flexibility of PSL(2,R) representations


• Mar. 21, 2017 (10:40-11:40 at B707): Xiaochun Rong (Capital Normal University, Rutgers university)
  Gromov-Hausdorff convergence in Metric Riemannian Geometry

The seminars held in the past (academic) years

• '97
• '98
• '99
• 2000
• 2001
• 2002
• 2003
• 2004
• 2005
• 2006
• 2007
• 2008
• 2009
• 2010
• 2011
• 2012
• 2013
• 2014
• 2015

Topology group