My Photo Album

with Professor Shoshichi Kobayashi

with Professor Don Chakerian

with Professor Mann and my math-brother Tang

with Professors Pillen and Zhou

with Professor Shiing-Shen Chern

Topologists in China, circa 1980's

Some convex geometers in Halifax, Canada, 1996

Algebraic topology workshop in Beijing University

with Professor J. C. Su (center)

with Professors H. Ku, M. Ku, and Ding

with Professors Brick and Barrionuevo

with Professors Xu and Lin

Differential geometry workshop in Xi'an

Differential geometry workshop in Beijing

Topology workshop in Kai Feng

General topology workshop in Xi'an