Weyl-Type Theorems on Banach Spaces Under Compact Perturbations

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In this paper, we study Browder-type and Weyl-type theorems for operators T+ K defined on a Banach space X, where K is (a non necessarily commuting) compact operator on X. In the last part, the theory is exemplified in the case of isometries, analytic Toeplitz operators, semi-shift operators, and weighted right shifts.
Original languageEnglish
Number of pages18
JournalMediterranean Journal of Mathematics
Publication statusPublished - 2018

All Science Journal Classification (ASJC) codes

  • General Mathematics


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