Ｔｏｐ Research Teaching Contact . . . .	Contact 汪　金 芳 博士（理学), 教授 263-8522千葉市稲毛区弥生町1-33 千葉大学　大学院理学研究科 wang AT math.s.chiba-u.ac.jp Jinfang Wang PhD (Science), Professor Department of Mathematics and Informatics Graduate School of Science, Chiba University 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522 Japan wang AT math.s.chiba-u.ac.jp