, to hear the informal seminar with Maxim Kontsevich from 13:30 to about 17:40. There were three talks: Toric degenerations, A_\infty category, and pseudo-groups. Maxim made some comments on the talks of speakers.Then we took a dinner of Japanese sake bar (Izakaya), so that we brightened the conversation on some culture (not always on mathematics).
Today was the end of Kontsevich's visit in Tokyo, and he is going to Kyoto University.
