The 17th Japan-Korea Workshop on Algebra and Combinatorics

Program

January 28 (Monday), 2019

10:00-10:45 Jack Koolen (The University of Science and Technology of China)

On new conditions for the existence of pseudo geometric strongly regular graphs

11:00-11:45 Yuta Watanabe (National Institute of Technology, Ube College)

Terwilliger algebras of generalized wreath products of one-class association schemes

11:45-12:00 Photo

12:00-14:00 Lunch

14:00-14:45 Shoko Chisaki* (Tokyo University of Science), Ryoh Fuji-Hara (University of Tsukuba), and Nobuko Miyamoto (Tokyo University of Science)

Combinatorial designs for deep learning

15:00-15:45 Hyungrok Jo (The University of Tokyo)

A general construction of LPS-type Ramanujan graphs

16:00-16:45 Semin Oh (Pusan National University)

Optimal Solution For Producing Products Without Loss

17:30-20:30 Banquet

January 29 (Tuesday), 2019

9:30-10:15 Wei-Hsuan Yu (National Central University, Taiwan)

Maximum spherical two-distance sets

10:30-11:15 Stefan Gyurki (Matej Bel University)

Directed strongly regular graphs

11:30-12:15 Etsuo Segawa (Yokohama National University)

Electric circuit induced by stationary state of quantum walk

12:15-14:00 Lunch

14:00-14:45 Momoko Hayamizu (The Institute of Statistical Mathematics)

A structure theorem for tree-based phylogenetic networks and its applications

15:00-15:45 Keisuke Shiromoto (Kumamoto University)

The critical problem for binary matroids

16:00-16:45 Yue Zhou (National University of Defense Technology)

On the nonexistence of abelian Cayley graphs of diameter 2 meeting the Moore-like bound

Program and Abstracts (PDF File)