Title of article
On essential spectra of operator-matrices and their Feshbach maps
Author/Authors
J. Lutgen، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2004
Pages
12
From page
419
To page
430
Abstract
A connection between the essential spectrum of certain operator-matrices and essential spectra
of the corresponding “Feshbach maps” is discussed and applied to some concrete rational operatorvalued
functions.
2003 Elsevier Inc. All rights reserved
Journal title
Journal of Mathematical Analysis and Applications
Serial Year
2004
Journal title
Journal of Mathematical Analysis and Applications
Record number
931002
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