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.

- 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