Hiroshima University TopologyGeometry Seminar Information
TopologyGeometry Seminar is held on every Tuesday.
The talks are given mainly in Japanese.
TopologyGeometry Seminar 2006 starts on April 11, 2006.
Japanese
version is here.
Speakers and Title of Talks
 3/13 : Machida Yoshinori (Numazu College of Technology)
Differential equations, geometric structures, and twistor theory
 2/6 : Masayuki Nishimura (Graduate School of Science, Hiroshima University)
A generalization of some notions on keis to racks
 1/23 : Takashi Sakai (Graduate School of Science, Osaka City University)
A classification of weakly reflective orbits and austere orbits
 1/16 : Elmar Vogt (Tokyo University and Freie Universitaet Berlin)
LusternikSchnirelmann category for foliations
 12/12 : Makoto Sakuma (Graduate School of Science, Osaka University)
On the distance between two Seifert surfaces of a knot
(Joint work with Kenneth J. Shackleton)
 12/5 : Atsushi Ishii (Graduate School of Science, Osaka University)
The pole diagram and the magnetic diagram
 11/28 : Teruaki Kitano (Soka University)
and Masaaki Suzuki (Akita University)
Twisted Alexander polynomial and related topics
 11/21 : Taro Yoshino (Research Institute for Mathematical Sciences, Kyoto University)
On deformation spaces of CliffordKlein forms of homogeneous spaces of
Heisenberg groups
 11/14 : Tsuyoshi Kato (Department of Mathematics, Kyoto University)
Casson handles and YangMills gauge theory
 11/7 : Andreas Arvanitoyeorgos (Department of Mathematics, University of Patras, Greece)
Biharmonic hypersurfaces in pseudoEuclidean spaces
 10/31 : Teruhisa Kadokami (Osaka City University Advanced Mathematical Institute)
Reidemeister torsion and Seifert surgeries on knots in homology 3spheres
 10/24 : Naoko Kamada (Osaka City University Advanced Mathematical Institute)
Miyazawa polynomials and twisted links
 10/17 : Osamu Saeki (Faculty of Mathematics, Kyushu University)
Obstructions to the existence of fold maps
 10/10 : Takuya Sakasai (Graduate School of Mathematical Sciences,
The University of Tokyo)
Johnson's homomorphisms and the rational cohomology of
subgroups of the mapping class group
 7/11 : Shin Satoh (Faculty of Science, Kobe University)
On immersed spheres in 3space with no triple points
 7/4 : Hiroshi Goda (Tokyo University of Agriculture and Technology)
Counting closed orbits and flow lines via Heegaard splittings
 6/27 : Masakazu Teragaito (Graduate School of Education, Hiroshima University)
Hyperbolic knots with multiple exceptional Dehn surgeries
 6/20 : Chifune Kai (Faculty of Science, Kyoto University)
A characterization of symmetric Siegel domains by convexity of Cayley
transform images
 6/13 : Sawai Hiroshi (Department of Mathematics, Osaka University)
Locally
conformal K\"ahler structures on compact nilmanifolds with
leftinvariant complex structures
 6/6 : Hajime Ono (Graduate School of Science and Engineering, Tokyo Institute of Technology)
SasakiFutaki invariant and existence of Einstein metrics on toric Sasaki
manfolds
 5/30 : Toru Tamaki (Dept. of Info. Eng., Grad. School, Hiroshima University)
On supervised and unsupervised learning of a manifold for computer
vision

5/23 : Seiichi Kamada (Graduate School of Science, Hiroshima University)
Introduction to quandles with good involutions and knot invariants

5/16 : Kentaro Saji(Department of Mathematics, Hokkaido University
)
Geometry of fronts

5/9 : Masahide Iwakiri(Graduate School of Science, Hiroshima University)
Quandle cocycle invariants of pretzel links
 4/25 : Hisashi Yoshida (Graduate School of Mathematics, Nagoya University)
Lie groups locally isomorphic to generalized Heisenberg groups
 4/11 : Takuya Yamauchi (Graduate School of Science, Hiroshima University)
Modular forms and motives
The seminars held in the past (academic) years
Topology
group
Hiroshi Tamaru email: tamaru@math.sci.hiroshimau.ac.jp
Hiroshi Matsuda email: matsuda@math.sci.hiroshimau.ac.jp
Atutaka Kowata email: kowata@math.sci.hiroshimau.ac.jp