Spectral theory for polynomially demicompact operators
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DOI: 10.2298/fil1907017b
Abstract: In this article, we introduce the notion of polynomial demicompactness and we use it to give some results on Fredholm operators and to establish a fine description of some essential spectra of a closed densely… read more here.
Keywords: polynomially demicompact; demicompact operators; spectral theory; theory polynomially ... See more keywords