Hiroshima University Topology-Geometry Seminar Information

Topology-Geometry Seminar is held on every Tuesday.
The talks are given mainly in Japanese.
Topology-Geometry Seminar 2006 starts on April 11, 2006.
Japanese version is here.

Speakers and Title of Talks

• 2/21 : Kimihiko Motegi, Deruell Arnaud (Nihon University)
  Networking Seifert fibered surgeries on knots (joint work with Katura Miyazaki)
• 2/7 :
  • Toshiyuki Kan (Graduate School of Science, Hiroshima University)
    Miyazawa polynomials of 2-braid virtual links
  • Takafumi Kodama (Graduate School of Science, Hiroshima University)
    A new complexity of braids and 3-braids with primary complexity up to 10
  • Takayuki Nagai (Graduate School of Science, Hiroshima University)
    Lee's invariants of surface links represented by ch-graphs of square type
• 1/31 : Hirofumi Nakai (Oshima National college of Maritime Technology)
  Generalized cohomology theories arised from algebraic curves
• 1/24 : Toshifumi Tanaka (Graduate School of Mathematical Science,University of Tokyo)
  A topological proof of the existence of an exotic Casson handle
• 1/17 : Ryosuke Yamamoto (Graduate School of Science,Osaka University)
  Detecting overtwisted open books
• 1/10 : Ichiro Torisu (Naruto University of Education)
  Classification of transverse and Legendrian Hopf links
• 12/20 : Masayasu Moriwaki (Graduate School of Science, Hiroshima University)
  Poisson transformation and Fourier-Borel transformation on the complex cone
• 12/13 : Toshiyuki Sugawa (Graduate School of Science, Hiroshima University)
  On invariant differential operators on Riemann surfaces
• 12/6 : Yasuharu Amitani (Graduate School of Science and Engineering,Waseda University)
  Classification of polarized manifolds containing low degree covers of $\mathbb{CP}\sp{n}$ as hyperplane sections
• 11/22 (15:00~16:30) : Banghe Li (Chinese Academy of Sciences (China))
  Diffeomorphism groups of rational and ruled surfaces
• 11/22 (13:30~14:45) : Atsumu Sasaki (Graduate School of Science and Engineering,Waseda University,D2)
  Visible actions on multiplicity-free spaces of complex reductive Lie groups
• 11/15 : Atsutaka Kowata (Graduate School of Science, Hiroshima University,Research Associate)
  Some results of normal SL(2,C) triples of symmetric spaces
• 11/8 : Hironori Yamasaki (Graduate School of Science, Hiroshima University)
  Stable extendibility of vector bundles over real projective spaces and lens spaces
• 11/1 : Antonio Regidor Garc￥'{￥i}a (Graduate School of Science, Hiroshima University)
  Lusternik-Schnirelmann $￥pi_1$-categories
• 10/25 : Gen Mano (Reserch Institute for Mathematical Sciences Kyoto University,D4)
  Integral formula for the inversion of the minimal representation of O(p,q) and integral geometry
• 10/18 : Taro Yoshino (Reserch Institute for Mathematical Sciences Kyoto University,COE Resercher)
  Hurwitz-Radon number over R,C,or H
• 10/4 : Naoko Kamada (OCAMI, Osaka City University)
  A table of virtual knots with up to 4 crossings and Miyazawa polynomials
• 7/26 : Toshio Saito (Graduate School of Science, Osaka University)
  (1,1)-knots with lens space surgery and the 3-sphere surgery
• 7/19 : Shoichi Fujimori (Department of Mathematics,Kobe University)
  Spacelike surfaces of mean curvature 1 in de Sitter 3-space
• 7/12 : Atsushi Ishii (Graduate School of Science, Osaka University)
  Skein relations for a quantum invariant of virtual links
• 7/5 : Shinya Hirakawa (Mathematical Institute,Tohoku University)
  Constant Gaussian curvature surfaces with parallel mean curvature vector in two-dimensional complex space forms
• 6/28 : Takumi Yamada (Graduate School of Science, Osaka University)
  On compact complex-parallelizable pseudo-Kaehler manifolds
• 6/21 : Shin Satoh (Graduate School of Science and Technology, Chiba University)
  Sheet numbers of surface-knots and quandle-colorings
• 6/14 : Seiichi Kamada (Graduate School of Science, Hiroshima University)
  Graphs and combinatorial group theory
• 6/7 : William MENASCO (SUNY at Buffalo)
  Recognizing exchange reducibility
• 5/31 : Hiroshi Tamaru (Graduate School of Science, Hiroshima University)
  A construction of cohomogeneity one actions on noncompact symmetric spaces of higher rank
• 5/24 : Toru Ohmoto (Department of Mathematics, Hokkaido University)
  Thom polynomials, equivariant Chern classes and their generating functions
• 5/17 : Masakazu Teragaito (Graduate School of Education, Hiroshima University)
  Lens space surgeries on doubly primitive knots
• 5/10 : Yoshio Agaoka (Faculty of Integrated Arts and Sciences, Hiroshima University)
  Invariants and elementary geometry
• 4/26 : Hiroshi Matsuda (Graduate School of Science, Hiroshima University)
  On transversely non-simple knots

The seminars held in the past (academic) years

• '97
• '98
• '99
• 2000
• 2001
• 2002
• 2003
• 2004

Topology group