| ??2025 |
10, July (Thu)?@(Joint seminar with Waseda University)
?@?@15:30--16:30
5, June (Thu)?@(Joint seminar with Waseda University)
?@?@15:30--16:30
8, May (Thu)?@(Joint seminar with Waseda University)
?@?@15:30--16:30
10, April (Thu)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
?@?@15:30--16:30
?@?@ Patrick Kinnear (Waseda University)
?@?@Skein modules of mapping tori of the 2-torus
29, January (Wed)?@?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 18-08, 18th floor, Building 51, Nishiwaseda Campus)
?@?@15:30--16:30
?@?@Yoshikazu Yamaguchi (Waseda University)
?@?@Questions around the vanishing identity of the adjoint Reidemeister torsion
| ??2024 |
20, November (Wed)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 18-08, 18th floor, Building 51, Nishiwaseda Campus)
?@?@15:30--16:30
?@?@Kanako Oshiro (Sophia University)
?@?@Normalized quandle twisted Alexander invariants (joint work with Atsushi Ishii (University of Tsukuba))
16, October (Wed)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 18-08, 18th floor, Building 51, Nishiwaseda Campus)
?@?@15:30--16:30
?@?@Natsuya Takahashi (Osaka University)
?@?@
19, July (Fri)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Tatsuro Shimizu (Tokyo Denki University)
?@?@Reidemeister torsion and an invariant related to the Chern-Simons perturbation theory
5, July (Fri)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Anh Tran (University of Texas at Dallas)
?@?@Even classical pretzel knots and left orderability
10, May (Fri)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Naoko Wakijo (Tokyo Institute of Technology)
?@?@Twisted Reidemeister torsions of closed 3-manifolds
19, April (Fri)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Sebastian Baader (University of Bern)
?@?@Minimal cobordisms between torus knots and large sums of trefoil knots
5, April (Fri)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Shun Sawabe (Waseda University)
?@?@On the annihilating polynomials of the colored Jones polynomial for links
6, January (Sat)
?@?@Held at Tokyo University of Agriculture and Technology (Room L1215, 1st floor, Building 12, Koganei Campus)
?@?@13:10--13:30
?@?@Hiroshi Goda (The Tokyo University of Agriculture and Technology)
?@?@Dehn surgeries which yield lens spaces and genera of knots
?@?@13:45--14:15
?@?@Toshio Sato (Joetsu University of Education)
?@?@Exceptional or half-integral chirally cosmetic surgeries
?@?@14:30--15:00
?@?@Takuji Nakamura (Yamanashi University)
?@?@Notes on virtualized pass moves for virtual knots
?@?@15:15--15:45
?@?@Ryosuke Yamamoto (Gunma University)
?@?@Associating monomial matrices with multi-curves and its applications
?@?@16:00--16:30
?@?@Takayuki Morifuji (Keio University)
?@?@Non-acyclic representations of the figure-eight knot
?@?@16:45--17:15
?@?@Masakazu Teragaito (Hiroshima University)
?@?@
?@?@17:30--18:30
?@?@Problem session
| ??2023 |
4, Dec (Mon)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
?@?@17:00--18:00
?@?@Ayaka Ishikawa (Yamagata University)
?@?@On graph zeta and its determinant representation
30, Oct (Mon)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
?@?@17:00--18:00
?@?@Genki Omori (Shibaura Institure of Technology)
?@?@A minimal generating set for the quasitoric braid group
5, October (Thu)
?@?@Held at Tokyo University of Agriculture and Technology (Room L1215, 1st floor, Building 12, Koganei Campus)
?@?@13:30--14:20
?@?@Toshio Sato (Joetsu University of Education)
?@?@Dehn surgery on knots with coil presentation
?@?@14:40--15:10
?@?@Takuji Nakamura (Yamanashi University)
?@?@On virtualized-type local moves for virtual knots
?@?@15:30--16:00
?@?@Hiroshi Goda (The Tokyo University of Agriculture and Technology)
?@?@Arc graph and Gauss diagram
?@?@16:30--
?@?@Free presentation
?@?@Problem session
31, July (Mon)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Hiroaki Karuo (Gakushuin University)
?@?@A proposal for a positivity conjecture of Roger--Yang skein algebras
19, July (Wed)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Anh Tran ?iUniversity of Texas at Dallas?j
?@?@Minimality of rational knots C(2n+1, 2m, 2)
19, June (Mon)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Yuta Nozaki (Yokohama National University)
?@?@Epimorphisms between knot groups and the twisted Alexander polynomial
29, May (Mon)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Atsuhiko Mizusawa (Waseda University)
?@?@A link-homotopy theory of colored string links and its applications
24, April (Mon)?@(Joint seminar with Waseda University)
?@?@Held at Waseda University (Room 17-06, 17th floor, Building 51, Nishiwaseda Campus)
?@?@16:00--17:00
?@?@Naoki Kimura (Waseda University)
?@?@Rack coloring invariants of Legendrian knots
| ??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
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
?? Past Seminars