Hiroshima University TopologyGeometry Seminar Information
TopologyGeometry Seminar is held on every Tuesday.
The talks are given mainly in Japanese.
TopologyGeometry Seminar 2017 starts on April 7 (Fri), 2017.
Japanese
version is here.
Speakers and Title of Talks

Apr. 7 (Fri), 2017 (15:0016:30 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 (15:0016:30 at B707):Youngsik Huh (Hanyang University)
Problems on graphs in 3space: Immersion into plane and linear
embedding into 3space

May 9 (Tue), 2017 (13:3015:00 at B707):Akira Nakamura
The computational complexity of digital knots: Introduction, survey, and problems

June 20 (Tue), 2017 (15:0016:30 at B707):Masakazu Teragaito (Hiroshima University)
Normal closures of slope elements in knot groups and the peripheral Magnus property

July 4 (Tue), 2017 (15:0016:30 at B707):Hironobu Naoe (Tohoku University)
Some corks with shadow complexity at most two

July 11 (Tue), 2017 (15:0016:30 at B702):Kai Ishihara (Yamaguchi University)
Complete classification of generalized crossing changes between GOFknots

July 14 (Fri), 2017 (15:0016:30 at B702):Julio César Barros (Rio Cuarto University)
NORMAL SECTIONS ON ISOPARAMETRIC HYPERSURFACES

Aug. 1 (Tue), 2017 (15:0017:30 at B707):
Takeaki Kato (Hiroshima University)
Elementary Geometry on Hyperbolic Plane
Fumiaki Akase (Hiroshima University)
Maximal symmetrycommutative sets in real Grassmann manifolds
Takahiko Yoshimoto (Hiroshima University)
A Classification of Darboux integrable fGordon equations
Kenta Funayoshi (Hiroshima University)
Extending homeomorphisms of the genus2 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 (15:0016:30 at B707):
Luisa Paoluzzi（AixMarseille University）
Character varieties of knots and their reductions mod p

Nov. 14 (Tue), 2017 (15:0016:30 at B707): Yuta Nozaki (The University of Tokyo)
An invariant of 3manifolds via homology cobordisms

Nov. 21 (Tue), 2017 (15:0016:30 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 3manifolds

Nov. 28 (Tue), 2017 (15:0016:30 at B702):
Junichi Inoguchi (Institue of Mathematics, University of Tsukuba)
Magnetic trajectories on contact 3manifolds
The seminars held in the past (academic) years
Topology
group
Yoshio Agaoka email :
agaoka@mis.hiroshimau.ac.jp
Makoto Sakuma email :
sakuma@math.sci.hiroshimau.ac.jp
Hiroshi Tamaru email :
tamaru@math.sci.hiroshimau.ac.jp
Yuya Koda email :
ykoda@hiroshimau.ac.jp
Kazuhiro Shibuya email :
shibuya@hiroshimau.ac.jp
Hideo Doi email :
doi@math.sci.hiroshimau.ac.jp
Takayuki Okuda email :
okudatak@hiroshimau.ac.jp