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   Articles with "perturbation classes" as a keyword



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The Perturbation Classes Problem for Closed Operators

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recommendations! Published in 2017 at "Filomat"

DOI: 10.2298/fil1703621a

Abstract: We compare the perturbation classes for closed semi-Fredholm and Fredholm operators with dense domain acting between Banach spaces with the corresponding perturbation classes for bounded semi-Fredholm and Fredholm operators. We show that they coincide in… read more here.

Keywords: classes problem; closed operators; fredholm; perturbation ... See more keywords