12月21日 Automorphisms of positive entropy acting on algebraic varieties
(曹锡华数学论坛)
讲座题目:Automorphisms of positive entropy acting on algebraic varieties
主讲人:De-Qi Zhang教授
主持人:谈胜利教授
开始时间:2015-12-2110:00-11:00
讲座地址:闵行数学楼401报告厅
主办单位:数学系科技处
报告人简介:De-Qi Zhang 教授,新加坡国立大学
Academic/Professional Qualifications:
BSc (1982), East China Normal University, Shanghai, P. R. China
MSc (1986), Osaka University, Japan
PhD (1989), Osaka University
Awards/Honours (Post-PhD):
Yukawa Foundation Award (1989)
Outstanding Scientist Award (Science Faculty, NUS, yr 2009)
Outstanding Mentor Award, 15th Youth Science Conference (yr 2009, Singapore)
Career History:
Guest:
Univ. of Michigan, Apr - Aug 1999; RIMS, Kyoto Univ., Jul - Nov 2007;
Max-Planck Inst.fur Math.Bonn,Germany (a few months in 1992, 1993, 2007, 2011, 2016)
(Equivalent of) Assistant Professor (1989-1991), Osaka University, Japan.
NUS (1991 - the present) Lecturer; Senior Lecturer; Assoc. Professor; Professor.
报告内容简介:
An automorphism g of an algebraic variety X is of positive entropy if its action on the cohomology group has an eigenvalue of modulus larger than 1. We will report our recent results on the existence of such g and its entailing geometric restriction.