报告题目：A joining approach to the normconvergence of non conventional averages  

for Z^d actions

报告人：Prof. Jean-Paul Thouvenot ，University Paris 6-LPMA， France

时间： 2017年11月1日下午4点

地点：管理科研楼1518教室

摘要： We will show how some joinings allow to interpret the limit  

of  these averages.  They give rise to a new action of Z^(d+1). We  

shall analyse more precisely this action in case d=2 and describe the  

characteristic factor to which it gives rise.

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