PP 22

November 24, 2007 at PNU.

Program

11:00-11:50, Akihiro Munemasa (Tohoku University), Non-amorphous association schemes in which all nontrivial relations are strongly regular

14:00-14:30, Joon Yop Lee (POSTECH), Vahlen's involution and some q-series identities

14:40-15:30, Hiroshi Suzuki (International Christian University), Parallelogram-free distance-regular graphs having completely regular strongly regular subgraphs

15:50-16:40, Seunghyun Seo (Cheongju University), On the enumeration of weighted trees

17:00-17:50, Dongseok Kim (Yeungnam University), Seifert surfaces, their induced graphs and plumbing, string surfaces