Characterization of Essential Spectra Involving Weakly Demicompact Operators on Banach Spaces
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DOI: 10.1007/s41980-021-00598-4
Abstract: In this paper, we prove that a weakly demicompact linear operator with respect to an unbounded operator $$S_{0}$$ can be characterized by measures of weak noncompactness. Moreover, its relationship with semi-Fredholm operators as well as… read more here.
Keywords: involving weakly; spectra involving; essential spectra; characterization essential ... See more keywords