Convexity and Star-Shapedness of Generalized Numerical Ranges

10.03.2018  02:50
主  讲  人  : 谭天祐        教授

活动时间: 03月12日10时00分       

地            点  : 公教楼E-509教室

讲座内容:

The celebrated Toeplitz-Hausdorff theorem asserts that the classical numerical range of a square complex matrix is a   convex set. In this talk we will discuss the convexity and star-shapedness of various generalized numerical ranges in the context of Lie groups and algebras.

主讲人介绍:

谭天祐教授于1986 年获得香港大学博士学位。现任美国亚拉巴马州奥本大学数学与统计系终身教授、系主任。主要从事矩阵,多重线性代数,数值域和李群方面的研究。在《Proceedings of American Mathematical Society》,《 SIAM Journal of Matrix Analysis and Applications》,《Journal of Algebra》,《 Journal of London Mathematical Society》,《Bulletin of Canadian Mathematical Society》,《Pacific Journal of Mathematics》,《Journal of Japan Mathematical Society》,《Journal of Differential Geometry and Its Applications》和《Journal of Lie Theory》等国际学术期刊上发表主要学术论文一百篇,出版研究专著一部,担任国际学术期刊《Linear and Multilinear Algebra》, 《Electronic Linear Algebra》,《Special Matrices》的编委,《Alabama Journal of Mathematics》的主编,美国《Mathematical Reviews》及德国《Zentralblatt Math》的评论员;曾被邀请共同撰写《Handbook of Linear Algebra》;多次组织国际数学会议。

发布时间:2018-03-09 15:08:58