Автор: Sumio Yamada

Lizhen Ji is a specialist in geometry and the author and editor of numerous books and articles. He currently teaches at Michain and at several universities in China, and serves as an editor for several journals. Athanase Papadopoulos is the author/editor of 100 papers and over 20 books on mathematics and the history of mathematics. Directeur de Recherche at the CNRS, he has also been a visiting scholar at several universities and research centers (Princeton, MPI Bonn, ESI Vienna, CUNY New York, USC Los Angeles, etc.).  Sumio Yamada has worked extensively in the US and Japan (Tohoku in Sendai, followed by Gakushuin in Tokyo). He is the author of several research articles. Lizhen Ji, A. Papadopoulos and S. Yamada have engaged in several fruitful scientific collaborations.