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

• 2/3 :
  Yasuki Yamamoto
  Geometric study of epimorphisms among knot groups
  Masaru Ochi
  On answers by Aida　to Kokon-sanpo 15 questions
  Masafumi Kamigaki
  Ricci curvetures of Lie hypersurfaces in Damek-Ricci spaces
  Hiroshi Kodama
  The spaces of left-invariant metrics on Lie groups and Einstein metrics
  Atsushi Takahara
  Lie groups whose spaces of left-invariant metrics are small
• 1/20 : Kentaro SAJI (Faculty of Education, Gifu University)
  Criteria for Mond singularities
• 12/16 : Toshihiro NAKANISHI (Shimane University)
  A series associated to a pair of simple geodesics -- a proof of McShane's identity
• 12/ 9 : Yoshiro YAGUCHI (Hiroshima University)
  Hurwitz orbits of braid systems of "standard" type, and its application to braided surfaces
• 11/21 : Makoto OZAWA (Komazawa University)
  Essential surfaces derived from knot and link diagrams
• 11/18 : Ayumu INOUE (Tokyo Institute of Technology)
  Quandle and hyperbolic volume
• 11/14 : Stanislaw Spiez (Institute of Mathematics of the Polish Academy of Sciences)
  Embedding of compacta into products
• 11/11 : Takao MATUMOTO (Hiroshima University)
  On the smooth unknotting conjecture in dimension four
• 11/4 : Andreas Kollross (University of Augsburg)
  Manifolds with large isotropy groups
• 10/28 : Kazuhiro ICHIHARA (Nara University of Education)
  On cyclic and finite surgery on knots (partially joint work with In Dae Jong (Osaka City University))
• 10/21 : Susumu HIROSE (Saga University)
  On periodic maps over surfaces with large periods
• 10/14 : Sungbok HONG (Korea University)
  Topological characterizations of certain limit points
• 7/22 : Kokoro TANAKA (Department of Mathematics, Tokyo Gakugei University)
  On complementary regions of link projections
• 7/15 : Takuya Sakasai (Department of Mathematical and Computing Sciences,Tokyo Institute of Technology)
  Homology cylinders in knot theory
• 7/ 8 : Jair Remigio Juarez （Centro de Investigacion en Matematicas, Mexico）
  On the Heegaard genera of coverings
• 7/ 1 : Shin Sato (Graduate School of Science, Kobe University)
  Triviality of 2-knot with one or two sheets
• 6/24 : Masaharu Ishikawa (Masaharu Ishikawa, Mathematical Institute, Tohoku University)
  Tightness of quasipositive fiber surfaces and its application
• 6/17 : Ichiro Shimada (Graduate School of Science, Hiroshima University)
  Generalized Zariski-van Kampen theorem and Grassmannian dual varieties
• 6/ 3 : Ser Peow Tan (Department of Mathematics, National University of Singapore)
  SL(2,C) characters with a rational end invariant
• 5/27 : Hiroshi Tamaru (Graduate School of Science, Hiroshima University)
  On noncompact homogeneous Einstein manifolds
• 5/20 : SAKAI Takashi (Graduate School of Science,Osaka City University)
  On constructions of special Lagrangian submanifolds in the complex sphere
• 5/14 : Joseph Maher (Department of Mathematics, Oklahoma State University)
  Random walks on the mapping class group
• 5/13 : Joseph Maher (Department of Mathematics, Oklahoma State University)
  Heegaard splittings and virtual fibers
• 4/30 : Yoshiro Yaguchi (Graduate School of Science, Hiroshima University)
  Hurwitz operation of braid group of degree 3
• 4/22 : Hirokazu Nishinobu (Graduate School of Science, Kochi University)
  Non-commutativity of self-homotopy groups of some simple p-compact groups
• 4/ 8 : Jose Carlos Diaz-Ramos（University College Cork, Ireland）
  Hypersurfaces with constant principal curvatures in the complex hyperbolic space

The seminars held in the past (academic) years

• '97
• '98
• '99
• 2000
• 2001
• 2002
• 2003
• 2004
• 2005
• 2006
• 2007

Topology group