学术报告
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17
2017-05
The notion of subsolution and estimates for fully nonlinear equations on manifolds-关波教授 (美国Ohio州立大学、厦门大学)题目:The notion of subsolution and estimates for fully nonlinear equations on manifolds 报告人:关波教授 (美国Ohio州立大学、厦门大学) 摘要:Subsolutions play very important roles in the study of fully nonlinear equations. In this talk we shall discuss different notio...
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17
2017-05
Singular Hochschild cohomology and higher algebra structure-汪正方 博士 (北京大学国际数学中心)题目:Singular Hochschild cohomology and higher algebra structure 报告人:汪正方 博士 (北京大学国际数学中心) 时间:5月24日(周三)下午2:00-3:00地点:首都师范大学新教二楼611教室 摘要:The Hochschild cohomology ring of an associative algebra has a Gerstenhaber algebra structure, which is very ...
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17
2017-05
Finitely Accessible Additive Categories-Prof. Dr. Ivo Herzog (Ohio State University, USA)题目:Finitely Accessible Additive Categories 报告人:Prof. Dr. Ivo Herzog (Ohio State University, USA) 时间:2017年5月17日(周三)下午2:00—3:00 地点:首都师范大学本部教学2楼611教室 摘要:An additive category with direct limits is called finitely accessible if the subcategor...
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17
2017-05
Matrices with Few Nonzero Principal Minors-杜现昆 教授 (吉林大学, 长春)题目:Matrices with Few Nonzero Principal Minors 报告人:杜现昆 教授 (吉林大学, 长春) 时间:2017年5月17日(周三)下午3:05--4:05 地点:首都师范大学本部教学2楼611教室 摘要:For an n by n complex matrix A, let V_A = {(d_1, … ,d_n) | (/diag(d_1, …,d_n)A)^n=0}. We say that A is quasi-D-n...
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15
2017-05
Homogeneity Test of Covariance Matrices and Change-Points Identification with High-Dimensional Longitudinal Data-Prof Zhong Pingshou (Department of Statistics and Probability, Michigan State University)题目: Homogeneity Test of Covariance Matrices and Change-Points Identification with High-Dimensional Longitudinal Data 报告人: Prof Zhong Pingshou (Department of Statistics and Probability, Michigan State University) Abstract: High-dimensional lo...
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12
2017-05
Tau-tilting modules over Auslander algebras-张孝金 教授(南京信息工程大学数学与统计学院)题目:Tau-tilting modules over Auslander algebras 报告人:张孝金 教授(南京信息工程大学数学与统计学院) 摘要:In this talk, we focus on the tau-tilting modules over Auslander algebras. We show that the Auslander algebra of K[x]/(x^n) is tau-tilting finite and there is a bijec...
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11
2017-05
名人大讲堂 - On stabilizing effect of magnetic fields in the magnetic Rayleigh-Taylor instability- 江松院士 (北京应用物理与计算数学研究所)题目:On stabilizing effect of magnetic fields in the magnetic Rayleigh-Taylor instability 报告人:江松院士 (北京应用物理与计算数学研究所) 简介: 北京应用物理与计算数学研究所研究员,中国科学院院士。主要从事可压缩流体力学数学理论、计算方法及应用研究。 在理论方面,对任何绝热指数γ>1,与合作者证明了具...
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11
2017-05
Spherical space forms and positive scalar curvature-Prof. Dr. W. Tuschmann, (Karlsruhe Institute of Technology, Germany)题目: Spherical space forms and positive scalar curvature 报告人: Prof. Dr. W. Tuschmann, (Karlsruhe Institute of Technology, Germany) 摘要: I will describe recent work on differentiable stability and classification theorems for space forms and Ei...
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11
2017-05
New Classes of Multivariate Covariance Functions-Tatiyana Apanasovich (George Washington University)题目: New Classes of Multivariate Covariance Functions 报告人: Tatiyana Apanasovich (George Washington University) Abstract The class which is refereed to as the Cauchy family allows for the simultaneous modeling of the long memory dependence ...
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11
2017-05
Manifolds with Fixed Point Property and their squares-Dr. Fang Sun (Department of Mathematics, Tulane University, New Orleans, LA, USA)题目:Manifolds with Fixed Point Property and their squares 报告人: Dr. Fang Sun (Department of Mathematics, Tulane University, New Orleans, LA, USA) 摘要: I shall present a brief history of the problem of Fixed Point Property of products, which is ...