Automorphisms of positive entropy acting on algebraic varieties
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1221Automorphisms 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.