Article ID Journal Published Year Pages File Type
9495393 Journal of Functional Analysis 2005 26 Pages PDF
Abstract
Koplienko (Sibirsk. Mat. Zh. 25(5) (1984) 62) found a trace formula for perturbations of self-adjoint operators by operators of Hilbert Schmidt class S2. A similar formula in the case of unitary operators was obtained by Neidhardt (Math. Nachr. 138 (1988) 7). In this paper we improve their results and obtain sharp conditions under which the Koplienko-Neidhardt trace formulae hold.
Related Topics
Physical Sciences and Engineering Mathematics Algebra and Number Theory
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