A characterization of essential pseudospectra involving polynomially compact operators
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DOI: 10.2298/fil2433675e
Abstract: In this article, we study the essential pseudospectra with the class of polynomially compact operators, which is a generalization of the class of compact operators. We present some new results in essential pseudospectra for closed… read more here.
Keywords: compact operators; polynomially compact; pseudospectra involving; essential pseudospectra ... See more keywords