Operators and Matrices · Volume 18, Issue 2

Singly generated selfadjoint-ideal operator semigroups: spectral density of the generator and simplicity

18-29 Pages 479-522 DOI 10.7153/oam-2024-18-29

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Authors

Sasmita Patnaik Sanehlata Gary Weiss

Keywords

semigroup ideals simple semigroups singly generated selfadjoint semigroups semigroup invariant weighted shift hyponormal operators essentially normal operators partial isometry spectrum spectral density

Subject classes

47A10 47A60 47A62 47B15 47B20 47B37 47D03 20M12 47A05 47B47