学术报告
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19
2017-05
Oscillatory integrals on the T-dual cycles-方博汉教授（北京大学）题目：Oscillatory integrals on the T-dual cycles 报告人： 方博汉教授（北京大学） 摘要：The mirror of a complete toric variety is a Landau-Ginzburg model. The oscillatory integral of the superpotential function on a Lagrangian cycle mirror to a coherent sheaf is a B...
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17
2017-05
The analysis of regularity for a singular Monge-Ampere equation-简怀玉教授 (清华大学)题目：The analysis of regularity for a singular Monge-Ampere equation 报告人：简怀玉教授 (清华大学) 摘要：Affine hyperbolic sphere is descreibed by a Monge-Ampere equation which is singular near the boundary. We talk the boundary regularity for the equation as w...
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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：565net必赢客户端新教二楼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：565net必赢客户端本部教学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：565net必赢客户端本部教学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...