报告摘要:I will talk about some open problems related to operators in type II1 factors, which include the invariant subspace problem, the strongly irreducible operators, irreducible operators and reducible operators in type II1 factors.
 嘉宾概况:房军生,河北师范大学数学科学学院传授,博士生导师,2012年国家优秀青年基金获得者,在国际权威期刊Journal of Functional Analysis, Journal of the London Mathematical Society, Journal of Operator Theory等杂志发表30篇学术论文.
 报告摘要: We will introduce the recent results for the Morse index theorem and its applications.
 嘉宾概况:胡锡俊,山东大学数学学院传授,博士生导师.2014年获得国家杰出青年基金资助,荣获国家自然科学二等奖,入选教育部新世纪优秀人才支撑打算.研究领域为动力系统与非线性阐发.在国际权威期刊Comm. Math. Phy., Arch. Ration. Mech. Anal., Adv. Math., Duke Math. J.等杂志发表文章二十多篇.