Hiroshima University Topology-Geometry Seminar Information

Topology-Geometry Seminar is held on every Tuesday.
The talks are given mainly in Japanese.
Topology-Geometry Seminar 2017 starts on April 7 (Fri), 2017.
Japanese version is here.

Speakers and Title of Talks

• Apr. 7 (Fri), 2017 (15:00-16:30 at B707):Koichi Tojo (The university of Tokyo)
  Classification of irreducible semisimple symmetric spaces on which there exists a reductive subgroup acting properly and cocompactly


• Apr. 18 (Tue), 2017 (15:00-16:30 at B707):Youngsik Huh (Hanyang University)
  Problems on graphs in 3-space: Immersion into plane and linear embedding into 3-space


• May 9 (Tue), 2017 (13:30-15:00 at B707):Akira Nakamura
  The computational complexity of digital knots: Introduction, survey, and problems


• June 20 (Tue), 2017 (15:00-16:30 at B707):Masakazu Teragaito (Hiroshima University)
  Normal closures of slope elements in knot groups and the peripheral Magnus property


• July 4 (Tue), 2017 (15:00-16:30 at B707):Hironobu Naoe (Tohoku University)
  Some corks with shadow complexity at most two


• July 11 (Tue), 2017 (15:00-16:30 at B702):Kai Ishihara (Yamaguchi University)
  Complete classification of generalized crossing changes between GOF-knots


• July 14 (Fri), 2017 (15:00-16:30 at B702):Julio César Barros (Rio Cuarto University)
  NORMAL SECTIONS ON ISOPARAMETRIC HYPERSURFACES


• Aug. 1 (Tue), 2017 (15:00-17:30 at B707):
  
  Takeaki Kato (Hiroshima University)
  Elementary Geometry on Hyperbolic Plane
  
  Fumiaki Akase (Hiroshima University)
  Maximal symmetry-commutative sets in real Grassmann manifolds
  
  Takahiko Yoshimoto (Hiroshima University)
  A Classification of Darboux integrable f-Gordon equations
  
  Kenta Funayoshi (Hiroshima University)
  Extending homeomorphisms of the genus-2 surface over S^3
  
  Satoru Muranaga (Hiroshima University)
  Eulerian coorientations and Seifert surfaces for divide links
  
  Akinori Gondo (Hiroshima University)
  Cohomogeneity one actions of disconnected Lie groups on symmetric spaces of noncompact type
  
  Shunsuke Sakai (Hiroshima University)
  A characterization of alternating link exteriors from the viewpoint of cubed complexes
  
  
• Oct. 3 (Tue), 2017 (15:00-16:30 at B707): Luisa Paoluzzi（Aix-Marseille University）
  Character varieties of knots and their reductions mod p


• Nov. 14 (Tue), 2017 (15:00-16:30 at B707): Yuta Nozaki (The University of Tokyo)
  An invariant of 3-manifolds via homology cobordisms


• Nov. 21 (Tue), 2017 (15:00-16:30 at B707):
  Eiko Kin (Graduate School of Science, Osaka University), Susumu Hirose (Faculty of Science and Technology, Tokyo University of Science)
  Symmetric braids arisen as monodromies of branched virtual fibrations of closed 3-manifolds


• Nov. 28 (Tue), 2017 (15:00-16:30 at B702): Jun-ichi Inoguchi (Institue of Mathematics, University of Tsukuba)
  Magnetic trajectories on contact 3-manifolds


• Dec. 12 (Tue), 2017 (15:00-16:30 at B702): Makoto Sakuma (Hiroshima University)
  "Monodromy groups" of Heegaard surfaces of 3-manifolds


• Jan. 15 (Tue), 2017 (15:00-16:30 at B707): Thomas Koberda (The University of Virginia)
  Free products and diffeomorphisms of compact manifolds


• Jan. 19 (Fri), 2017 (15:00-16:30 at B701): Norbert A'Campo（The University of Basel）
  Uniformisation by minimizing energy of curvature

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

Topology group