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日程：2025/6/18(水)--20(金)
Dates: June 18--20
場所：早稲田大学 西早稲田キャンパス 55号館第二会議室
Place: Conference room 2 on the 1st floor of the north tower of Building 55 in Nishi-Waseda campus, Waseda University
参加登録は締め切りました。参加登録：6月11日までに、こちらよりお願いいたします。
Registration is closed. Registration: Please register here by Wednesday, June 11.
Program and abstract:
program.pdf2025-abst.pdfProgram:
6/18
10:00–10:40
Szöllősi Ferenc （島根大学）
On Hadamard matrices appearing in MUB triplets
10:50–11:30
中島 規博（名古屋工業大学）
Characteristic quasi-polynomials of the arrangement restricting the Shi arrangement of type B to one hyperplane
11:40–12:20
佐藤 洋輔（早稲田大学）
Terwilliger algebra of Hamming digraph H*(d,q)
14:00–14:40
川節 和哉（熊本大学）
Rogers-Ramanujan exact sequences and free modules over free generalized vertex algebras
14:50–15:30
Bohan Li（RIMS）
On a series of simple affine VOAs at non-admissible level arising from rank one 4D SCFTs.
15:50–16:30
Hao Li（RIMS）
Quasi-lisse vertex (super)algebras
16:40–17:20
島倉 裕樹（福岡大学）
Automorphism groups of parafermion vertex operator algebras
6/19
10:00–10:40
生田 卓也（神戸学院大）
On Non-Symmetric Association Schemes of Class 4
10:50–11:30
Hopein Christofen Tang（The University of New South Wales）
The existence of Plotkin-optimal Z_4 -linear codes
11:40–12:20
野﨑 寛（愛知教育大学）
On the existence and non-existence of spherical m-stiff configurations
14:00–14:40
奥田 隆幸（広島大学）
Coarse coding theory and coarse equivalence
14:50–15:30
中田 彬文（広島大学）
Compact association schemes
15:50–16:30
小川 健翔（広島大学）
An algebraic generalization of association schemes based on the Bose-Mesner algebra
16:40–17:20
坂内 英一（九州大学名誉教授）
Compact symmetric spaces (Compact Gelfand pairs) vs. finite Gelfand pairs
6/20
10:00–10:40
永野 中行（金沢大学）
On sequence of families of K3 surfaces related to complex reflection groups
10:50–11:30
Himadri Shekhar Chakraborty（Shahjalal University of Science and Technology）
Discrete harmonic functions, complete weight enumerators and duality relations (online talk)
11:40–12:20
石塚 慶太（三菱電機株式会社）
On largest minimum weights of binary LCD codes
14:00–14:40
野方 雄斗（弘前大学）
Simple 3-designs of PSL(2,2^n) with block size 13
14:50–15:30
三澤 竜太郎（東北大学）
An explicit construction of spherical T-designs on S^3 via tensor products
15:50–16:30
齋藤 琢弥（北海道大学）
Invariants for signed matroids
16:40–17:20
Sihuang Hu (Shandong University)
q-analog Deza-Erdos-Frankl theorem and its applications
Organizers:
Hirotake Kurihara (Yamaguchi University)
Tsuyoshi Miezaki (Waseda University)
Akihiro Munemasa (Tohoku University)
Yusaku Nishimura (Waseda University)
Sho Suda (National Defence Academy)
Hiroshi Yamauchi (Tokyo Woman's Christian University)
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