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理学院2018-2019学年秋季第三周学术报告(2)

发布时间:2018-09-19

学 术 报 告

 

报告题目:Geometric stability theory for mu-structures

 

报告学者:Lee Junguk博士

 

报告者单位 Department of Mathematics, University of Wroclaw, Poland

 

报告时间 2018年9月20日(星期四)下午5:00—6:00

 

 

报告地点思源西楼507

 

摘要:We introduce a notion of mu-structures which are certain locally compact group actions and prove some counterparts of results on Polish structures introduced by Krupinski. Using the Haar measure of locally compact groups, we introduce an independence, called the mu-independence, in mu-structures having good properties. With this independence, we develop geometric stability theory for mu-structures. Then we see some structural theorems for compact groups which are mu-structures. We also give examples of profinite structures where the mu-independence is different from the nm-independence for Polish structures. 

 

报告人简介:  Lee Junguk, 韩国延世大学博士,现为波兰弗罗茨瓦夫大学(University of Wroclaw)博士后,从事数理逻辑的模型论研究。主要研究领域为模型论中的型同调论,代数和算术的模型论,赋值域的模型论。在Annals of Pure and Applied Logic, Journal of Symbolic Logic等一流期刊发表文章5篇。

 

主办教师:宋诗畅

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