Visitors
2004
Hiroshi Umemura (Nagoya)
Phillip Boalch (ENS, Paris)
Noriko Yui (Queens)
Hiraku Nakajima (Kyoto)
Shugeyuki Kondo (Nagoya)
Before 2003
Don Zagier
Steven Zucker
Masayohi Nagata
David Morrison
Jan Stienstra
Akira Fujiki