Spectral Properties of $ C_{0}$-Semigroups of Positive Operators on C$^*$-Algebras

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Authors: Ulrich Groh
Cited by: 0

Abstract

Let $ (T(t))_{t\geq0} $ be a positive $C_{0}$-semigroup with generator $A$ on a C$^*$-algebra or on the predual of a W$^*$-algebra. Then the growth bound $ω_{0}$ equals $s(A)$. If the spectrum of $A$ is not empty, then $s(A)$, the spectral bound of $A$, is a spectral value.

Fields of Study & Subjects

Advanced Operator Algebra Research Advanced Banach Space Theory Holomorphic and Operator Theory

Publication details

Journal / source
arXiv (Cornell University)
Publication date
8 January 2026
Document type
Preprint