English

Affiliation:

   Yannan HU
   Assistant Professor, Nagoya University
   Address: Department of Mathematical Informatics,
Graduate School of Informatics, 
Nagoya Universiy, 
Furocho, Chikusaku, Nagoya 464-8601, Japan
   e-mail: yannanhu (at) nagoya-u.jp
   Tel: 052-789-4760