RIMS 共同研究（公開型）

有限群論，代数的組合せ論，頂点代数の研究

RIMS joint research

"Research on finite groups, algebraic combinatorics, and vertex algebras"

日時：2022年12月5日(月) 10:00--8(木) 12:00

Dates: December 5--8

場所 : 京都大学数理解析研究所 4 階 420 号室（ハイブリッド開催）

Place: Research Institute for Mathematical Sciences, Room 420, Kyoto University, Kyoto 606-8502 Japan

代表者：三枝崎剛（早稲田大学）

Organizers: Tsuyoshi Miezaki (Waseda University)

参加登録：対面参加の場合 11/3 まで。オンライン参加の場合 12/1 までに，こちらより参加登録をお願いいたします．

Registration: Registration, Deadline 11/3 (on site). 12/1 (online).

Program and abstract:

programen.pdf
abstract.pdf

Program:

12/5 (Mon)

  • 10:00 - 10:50 (zoom)

Hirotake Kurihara (Yamaguchi University)

Finite homogeneous quandles from group theoretical point of view

  • 11:10 - 12:00

Kiyoto Yoshino (Tohoku University)

The Lemmens-Seidel conjecture for base size 5

  • 13:40 - 14:30

Hau-Wen Huang (National Central University)

U(sl_2) and the Terwilliger algebras

  • 14:50 - 15:40 (zoom)

Hajime Tanaka (Tohoku University)

Characterizing graphs with fully positive semidefinite Q-matrices

  • 16:00 - 16:50 (zoom)

Tatsuro Ito (Professor Emeritus of Kanazawa University)

Polynomial and co-polynomial association schemes

12/6 (Tue)

  • 10:00 - 10:50

Fumihito Oda (Kindai University)

Crossed Burnside rings and cohomological Mackey 2-motives

  • 11:10 - 12:00

Etsuko Bannai

Classification of the tight Euclidean 5-designs in R^2

  • 13:40 - 14:30

Yuma Furuta (Kyoto University)

Boolean functions and quantum stabilizer codes related to Narain CFTs

  • 14:50 - 15:40

Takahiro Yabe (The University of Tokyo)

The classification of 2-generated non-primitive axial algebras of Jordan type, memo

  • 16:00 - 16:50

Masahiko Miyamoto (Professor Emeritus of University of Tsukuba)

Automorphism invariant deep holes of the Leech lattice and the classification of non-moonshine type holomorphic VOAs of central charge 24

12/7 (Wed)

  • 10:00 - 10:50

Kento Nakada (Okayama University)

Inset games and their strategies

  • 11:10 - 12:00

Masahiko Yoshinaga (Osaka University)

Characteristic quasi-polynomials of hyperplane arrangements and Ehrhart quasi-polynomials

  • 13:40 - 14:30

Koji Momihara (Kumamoto University)

The existence of Cameron-Liebler line classes with parameter x =(q+1)^2/3

  • 14:50 - 15:40

Osamu Shimabukuro (Nagasaki University)

Modular Standard Modules of Hamming Schemes

  • 16:00 - 16:50

Eiichi Bannai (Professor Emeritus of Kyushu University)

An overview on design theory

12/8 (Thu)

  • 10:00 - 10:50

Kyohei Matsumoto (Kumamoto University)

A commutative non-associative algebra on which the Hall-Janko group acts

  • 11:10 - 12:00

Da Zhao (Kyoto University)

Explicit construction of unitary designs