Convex domains and K-spectral sets
泛函分析
2018-06-05 v2 算子代数
摘要
Let be an open convex domain of the complex plane. We study constants K such that is K-spectral or complete K-spectral for each continuous linear Hilbert space operator with numerical range included in . Several approaches are discussed.
引用
@article{arxiv.math/0501184,
title = {Convex domains and K-spectral sets},
author = {Catalin Badea and Michel Crouzeix and Bernard Delyon},
journal= {arXiv preprint arXiv:math/0501184},
year = {2018}
}
备注
the introduction was changed and some remarks have been added. 26 pages ; to appear in Math. Z