Hiroshima University Topology-Geometry Seminar Information

Topology-Geometry Seminar is held on every Tuesday.
The talks are given mainly in Japanese.
Japanese version is here.

Speakers and Title of Talks

• April 16 (Tue), 2019 (15:00-16:30 at B707): Tomo Murao (University of Tsukuba)
  On non-isotopic tunnels for knots


• April 23 (Tue), 2019 (15:00-16:30 at B707): Han Yoshida (National Institute of Technology, Nara College)
  Hidden symmetry of hyperbolic link


• May 14 (Tue), 2019 (15:00-16:30 at B707): Yuya Koda (Hiroshima University)
  Positive flow-spines and contact 3-manifolds


• June 4 (Tue), 2019 (15:00-16:30 at B707): Akira Kubo (Hiroshima University)
  Homogeneous minimal submanifolds in symmetric spaces of noncompact type


• June 11 (Tue), 2019 (15:00-16:30 at B707): Kenro Furutani (Tokyo University of Science)
  Complete classification of nilpotent Lie algebras attached to a certain kind of Clifford modules and an application to spectral geometry


• July 30 (Tue), 2019 (15:00-17:30 at B707):
  
  Jumpei Miyashita (Hiroshima University)
  Surface bundles over S^1 which are 2-fold branched coverings of lens spaces
  
  Daiki Iguchi (Hiroshima University)
  On the mapping class groups of strongly irreducible Heegaard splittings
  
  Yutaro Koguchi (Hiroshima University)
  SU(2)-irreducible decompositions of 1-forms on the 2-sphere
  
  Yasuki Tada (Hiroshima University)
  On poles and algebraic connectivities of quandles
  


• October 8 (Tue), 2019 (15:00-16:30 at B707): Ippei Ishii
  (1, 1)-knots and flow-spines


• November 5 (Tue), 2019 (15:00-16:30 at B702): Karuo Hiroaki (RIMS, Kyoto University)
  The reduced Dijkgraaf--Witten invariant of twist knots in the Bloch group of $\Bbb{F}_p$


• November 12 (Tue), 2019 (15:00-16:30 at B702): Toshio Saito
  3-manifolds as viewed from virtual knot diagrams


• November 26 (Tue), 2019 (16:00-17:30 at B702): Akira Ushijima (Kanazawa University)
  Existence of exceptional points for cofinite Fuchsian groups


• December 10 (Tue), 2019 (15:00-16:30 at B707): Shoichi Fujimori (Hiroshima University)
  Mean curvature one catenoids in de Sitter 3-space


• (The seminar is canceled.)
  January 14 (Tue), 2020 (13:00-14:30 at B707): Mizuki Fukuda (Tokyo Gakugei University)
  On finitely generated group representations of branched twist spins

January 14 (Tue), 2020 (15:00-16:30 at B707): Masato Mimura (Tohoku University)
TBA

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
• 2016
• 2017
• 2018

Topology group