Preservation of the Unconditional Basis Property under Non-Self-Adjoint Perturbations of Self-Adjoint Operators

Motovilov, AK; Shkalikov, AA

Motovilov, AK (reprint author), Joint Inst Nucl Res, Bogolyubov Lab Theoret Phys, Dubna, Russia.; Motovilov, AK (reprint author), Dubna State Univ, Fac Nat & Engn Sci, Dubna, Russia.

FUNCTIONAL ANALYSIS AND ITS APPLICATIONS, 2019; 53 (3): 192

Abstract

Let T be a self-adjoint operator on a Hilbert space H with domain D(T). Assume that the spectrum of T is contained in the union of disjoint intervals ......

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