Separate continuity of the Lempert function of the spectral ball

被引:2
|
作者
Nikolov, Nikolai [1 ]
Thomas, Pascal J. [2 ]
机构
[1] Bulgarian Acad Sci, Inst Math & Informat, BU-1113 Sofia, Bulgaria
[2] Univ Toulouse, UPS, INSA, UTI,UTM,Inst Math Toulouse, F-31062 Toulouse, France
关键词
Lempert function; Spectral ball; Symmetrized polydisc; NEVANLINNA-PICK PROBLEM;
D O I
10.1016/j.jmaa.2009.12.023
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We find all matrices A from the spectral unit ball Omega(n) such that the Lempert function l Omega(n) (A, .) is continuous. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码:710 / 712
页数:3
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