Perturbations of operator functions in a Hilbert space

zbMath1282.47015MaRDI QIDQ1943539

Michael I. Gil'

Publication date: 20 March 2013

Published in: Communications in Mathematical Analysis (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.cma/1349803597

zbMATH Keywords

perturbationsHilbert-Schmidt classoperator functionsoperators with Hilbert-Schmidt Hermitian componentsfunctions of operatorsnon-selfadjoint operatorsoperators ``close to unitary ones

Mathematics Subject Classification ID

Functional calculus for linear operators (47A60) Perturbation theory of linear operators (47A55) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56)

Related Items (max. 100)

A bound for the Hilbert-Schmidt norm of generalized commutators of nonself-adjoint operators ⋮ Perturbation bounds for matrix functions ⋮ Norm estimates for functions of two non-commuting operators ⋮ Perturbations of operator functions: a survey

This page was built for publication: Perturbations of operator functions in a Hilbert space