15, December (Tue)�@(Joint seminar with Waseda University)
�@�@15:30--16:30

17, November (Tue)�@(Joint seminar with Waseda University)
�@�@15:30--16:30

20, October (Tue)�@(Joint seminar with Waseda University)
�@�@15:30--16:30

15, September (Tue)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30

15, July (Wed)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Hiroaki Karuo (Gakushuin University)
�@�@Formality of HOMFLYPT skein algebras for genus 0 surfaces

17, June (Wed)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Serban Matei Mihalache (The University of Tokyo)
�@�@Solutions of equations corresponding to Pachner moves and their cohomology

27, May (Wed)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Philip Choi (Chonnam National University)
�@�@Quantum Invariants of 2m-Plats

15, April (Wed)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 18-06, 18th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Masashi Kosuda (Yamanashi University)
�@�@On the structures of the centralizer algebras of unitary reflection groups

27, January (Tue)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 17-06, 17th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Mario Eudave-Munoz (UNAM)
�@�@Knotted handlebodies and half-integral toroidal surgeries

16, December (Tue)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 17-06, 17th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Shun Sawabe (Waseda University)
�@�@The potential function of the colored Jones polynomial and the AJ conjecture

18, November (Tue)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 17-06, 17th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Yuya Murakami (RIKEN)
�@�@Asymptotic expansions and quantum modularity for quantum invariants

14, October (Tue)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 17-06, 17th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Tsukasa Isoshima (Keio University)
�@�@Trisections and Lefschetz fibrations with (-n)-sections

10, July (Thu)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Taketo Sano (RIKEN)
�@�@A diagrammatic approach to the Rasmussen invariant via tangles and cobordisms

5, June (Thu)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Hiroshi Goda (Tokyo University of Agriculture and Technology)
�@�@Invariants from graphs associated with knots

8, May (Thu)�@(Joint seminar with Waseda University)
�@�@Held at Waseda University (Room 17-08, 17th floor, Building 51, Nishiwaseda Campus)
�@�@15:30--16:30
�@�@Akihiro Takano (Osaka University)
�@�@Finiteness properties of the n-adic Lodha--Moore group and its applications

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

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

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

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

22, March (Fri)
�@�@13:00--
�@�@Noboru Ito (The University of Tokyo)
�@�@Crosscap numbers and volume bounds

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