Intelligence of Low Dimensional Topology 2009

Intelligence of Low Dimensional Topology
in honor of Professor Kunio Murasugi's
80th birthday

Osaka, Japan

November 12 -- November 14, 2009

This is a conference on low dimensional topology at Osaka City University from November 12 to November 14, 2009.
Taizo Kanenobu (Osaka City University) and Seiichi Kamada (Hiroshima University)

Date: November 12 - November 14, 2009
Place: 10th floor, Media Center, Osaka City University (Sugimoto Campus)
Access: http://www.osaka-cu.ac.jp/english/info/access.html
Campus map: http://www.osaka-cu.ac.jp/english/info/campusmap.html

Program (PDF: Japanese English )

November 12 (Thu.) ======

13:20--14:00 Kunio Murasugi (University of Toronto)
Metabelian representations of knot groups and twisted Alexander polynomials
(joint work with Mikami Hirasawa)

14:10--14:50 Ryosuke Yamamoto (Ritsumeikan University)
On the Alexander polynomial of open books

15:20--16:00 Takahiro Kitayama (University of Tokyo)
Non-commutative Reidemeister torsion and Morse-Novikov theory

16:10--16:50 Andrei Pajitnov (Universit{\' e} de Nantes)
Circle-valued Morse theory and tunnel numbers of knots

November 13 (Fri.) ======

10:10--10:50 Tetsuya Ito (University of Tokyo)
New braid index estimation via Dehornoy floor

11:00--11:40 Masahide Iwakiri (OCAMI, Osaka City University)　
Surface links represented by 4-charts and quandle trivial 1-handle surgeries

13:20--14:00 Atsushi Ishii (University of Tsukuba)
On a normalization of a regular isotopy invariant for spatial graphs

14:10--14:50 Ryo Hanaki (Waseda University)
Pseudo diagrams of knots and its related topics

15:20--16:00 Ryo Nikkuni (Tokyo Woman's Christian University)
Classification of spatial complete graphs on four vertices up to $C_{5}$-moves
(joint work with Akira Yasuhara (Tokyo Gakugei University))

16:10--16:50 Kunio Murasugi (University of Toronto)
Reflection on my life as a mathematician

November 14 (Sat.) ======

10:10--10:50 Kazuhiro Ichihara (Nara University of Education)
On exceptional surgeries on Montesinos knots
(joint work with In Dae Jong (Osaka City University) and Shigeru Mizushima (Tokyo Institute of Technology))

11:00--11:40 Ikuo Tayama (Osaka City University)
Enumerating homology spheres with lengths up to 10 by a
canonical order (joint work with Akio Kawauchi)

13:20--14:00 Toshie Takata (Niigata University)
On the $SO(N)$ and $Sp(N)$ free energy of a closed oriented 3-manifold

14:10--14:50 Takuji Nakamura (Osaka Electro-Communication University)
Notes on virtual knots whose polynomial invariant is trivial

15:20--16:00 Thang Le (Georgia Institute of Technology)
Torsion growth, Mahler measure and hyperbolic volume

16:10--16:50 Makoto Sakuma (Hiroshima University)
Epimorphisms between 2-bridge link groups
: essential simple loops on 2-bridge spheres which are null-homotopic
in 2-bridge link complements (joint work with Donghi Lee)