EMIS ELibM Electronic Journals PUBLICATIONS DE L'INSTITUT MATHÉMATIQUE (BEOGRAD) (N.S.)
Vol. 50(64) Preimenovati datoteke, proveriti paginaciju!!!, pp. 135--140 (1991)

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Trace formula for nuclear perturbations of discrete nonselfadjoint operators

Darko Milinkovi{\cj}

Matematicki fakultet, Beograd, Yugoslavia

Abstract: It is shown that, if $T$ is a discrete nonselfadjoint operator, and $P$ is nuclear, than, under some condition, $T + P$ is discrete. A regularized trace formula is given. It is shown that this result is applicable to differential operators given by regular boundary conditions.

Classification (MSC2000): 47B10, 47A55

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Electronic fulltext finalized on: 2 Nov 2001. This page was last modified: 16 Nov 2001.

© 2001 Mathematical Institute of the Serbian Academy of Science and Arts
© 2001 ELibM for the EMIS Electronic Edition