题目：Regional multiple recurrence vs Gr u nwald version of vander Waerden' s theorem for semi-modules

　　主讲：代雄平

　　时间：10月19日 下午15:00

　　地点：理学院206 会议室

　　主办：理学院

　　摘要：Let (M;+) be any semi-module over a semi-ring (R; +; ·) with a finite coloring M=B1∪„∪Bq. By first establishing a Regional Multiple Re-currence Theorem of semi-modules, we prove that one of the colors j has the property that if F ⊆ M is any

finite set, then one can find some “syndetic” subset DF of (R; +) such that for each d ∈DF there is some a∈Bj with a+dF ⊆ Bj. This in turn implies that each uniformly almost periodic point is multiplied almost periodic.

　　个人简介: 

　　南京大学数学系教授，博士生导师。主要从事“动力系统和遍历理论”研究。在Trans AMS, SIAM J Control and Optim, IEEE Trans Autom Control,Automatica, Nonlinearity, J Diff Equs, Math Z, Proc AMS 等国际期刊发表SCI 论文 50 余篇。国家基金委重点项目和重大项目的主要参加成员。