Welcome to my webpage!　石井 豊のウェブページへようこそ！

(Monument Valley, summer 2000) Professor  Department of Mathematics, Kyushu University  Motooka, Fukuoka 819-0395, Japan  Email: yutaka_at_math.kyushu-u.ac.jp

・Curriculum Vitae ・Publications and Preprints ・Travel Schedule ・Students (in Japanese) ・Lectures (in Japanese) ・ミーティング「数学の可視化と Virtual Reality」