ySeminar at TUATz[¨ Japanese page]


‘2020

18, June (Thu) (Zoom seminar)

13:30--14:00
Hiroshi Goda (The Tokyo University of Agriculture and Technology)
TAP and CS
14:00--15:00
Airi Aso (Tokyo Metropolitan University)
A note on the asymptotic behavior of the twisted Alexander polynomials of 5_2 knot



‘2019

22, March (Fri)

13:00--
Noboru Ito (The University of Tokyo)
Crosscap numbers and volume bounds



‘2018

21, November (Wed)

14:45--14:30
Yuta Nozaki (The University of Tokyo)
An infinite family of homologically fibered knots of the same genus
14:45--15:45
Takayuki Okuda (Tokyo University of Agriculture and Technology)
Degenerations of Riemann surfaces over disks and their deformations
16:00--17:00
Kazuto Takao (Kyoto University)
On bridge decompositions and bridge positions for knots
18:00--19:30
Problem session



14, May (Mon)

13:30--15:00
Kanako Oshiro (Sophia University)
Augmented Alexander matrices and generalizations of twisted Alexander invariants and quandle cocycle invariants I
15:30--17:00
Atsushi Ishii (Tsukuba University)
Augmented Alexander matrices and generalizations of twisted Alexander invariants and quandle cocycle invariants II


‘2017

7, February (Tue)

13:40--14:20
Toshio Sato (Joetsu University of Education)
Knots in the solid torus
14:40--15:20
Takuji Nakamura (Osaka Electro-Communication University)
A note on 3-colored knot diagrams
15:40--16:20
Ryosuke Yamamoto (Gunma University)
Simpleness of closed curves on a surface and the lower central series of the fundamental group of the surface
16:40--17:20
Ippei Ishii
(1,1) knots and their 2-fold branched coverings
17:40--18:20
Yuta Nozaki (The University of Tokyo)
Homology cobordisms over a surface of genus one and lens spaces
18:40--19:40
Problem session

31, July (Fri)

10:30--12:00C13:30--16:00
Yuya Koda (Hiroshima University)
Arc complexes, sphere complexes and Goeritz groups


‘2015

2, December (Wed)

16:00--18:00
Fabiola Manjarrez Gutiérrez (Universidad Nacional Autonoma de Mexico (UNAM))
Genus two knots which admit a (1,1)-decomposition

31, July (Fri)

10:30--12:00C13:30--16:00
Yuya Koda (Hiroshima University)
Arc complexes, sphere complexes and Goeritz groups



‘2014

6, June (Fri)

15:00--
Nao Imoto (Nara Women's University)
On monodromy of rationally homologically fiber surface


@  Λ Past Seminars