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

• May 8 (Tue), 2018 (15:00-16:30 at B707): Yuya Koda (Hiroshima University)
  Shadow complexity of closed 4-manifolds


• May 15 (Tue), 2018 (15:00-16:30 at B707): Hans Jakob Rivertz (Norwegian University of Science and Technology)
  Towards forbidden symmetries


• May 30 (Wed), 2018 (16:20-17:50 at B707): Akihiro Higashitani (Kyoto Sangyo University)
  On the structure of quandles arising from automorphisms of finite groups


• June 5 (Tue), 2018 (15:00-16:30 at B707): Shinobu Fujii (National Institute of Technology, Oshima College)
  Symmetric Clifford systems and quandle structures on real Grassmannian manifolds


• July 10 (Tue), 2018 (15:00-16:30 at B702) ( The seminar is postponed to Oct.2 because of the heavy rain in western Japan ):
  Nozomu Sekino (The University of Tokyo)
  Genus one fibered knots in 3-manifolds with reducible genus two Heegaard splittings


• July 17 (Tue), 2018 (15:00-16:30 at B707): Nobuyoshi Takahashi (Hiroshima University)
  Quandles associated to extensions of rings of algebraic integers


• July 24 (Tue), 2018 (15:00-16:30 at B707): ( The seminar is canceled because of the heavy rain in western Japan ):
  Hideyuki Ishi (Nagoya University)
  Codimension-one actions and realizations of homogeneous Hessian domains


• Oct. 2 (Tue), 2018 (15:00-16:30 at B707):
  Nozomu Sekino (The University of Tokyo)
  Genus one fibered knots in 3-manifolds with reducible genus two Heegaard splittings


• Oct. 9 (Tue), 2018 (15:00-16:30 at B707):
  Nicholas Owad (Okinawa Institute of Science and Technology Graduate University)
  Straight knots, volume, and snails


• Oct. 16 (Tue), 2018 (15:00-16:30 at B707):
  Jung Hoon Lee (Chonbuk National University, Osaka City University)
  On disk complexes for bridge spheres of the unknot


• Nov. 6 (Tue), 2018 (15:00-16:30 at B707):
  François Filastre (Université de Cergy-Pontoise)
  Hyperbolic geometry of shapes of convex bodies


• Nov. 13 (Tue), 2018 (15:00-16:30 at B702):
  Hironobu Naoe (Tohoku University)
  Shadows and Milnor fibrations of divides


• Nov. 20 (Tue), 2018 (15:00-16:30 at B707):
  Motoko Kato (The University of Tokyo)
  Fixed points for group actions on non-positively curved spaces

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

Topology group