Convex domains and K-spectral sets

被引:0
|
作者
Catalin Badea
Michel Crouzeix
Bernard Delyon
机构
[1] UMR CNRS no. 8524,Département de Mathématiques
[2] Université de Lille I,Institut de Recherche Mathématique de Rennes
[3] UMR CNRS no. 6625,undefined
[4] Université de Rennes 1,undefined
来源
Mathematische Zeitschrift | 2006年 / 252卷
关键词
Hilbert Space; Space Operator; Convex Domain; Numerical Range; Open Convex;
D O I
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中图分类号
学科分类号
摘要
Let Ω be an open convex domain of [inline-graphic not available: see fulltext]. We study constants K such that Ω is K-spectral or complete K-spectral for each continuous linear Hilbert space operator with numerical range included in Ω. Several approaches are discussed.
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页码:345 / 365
页数:20
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