Applications of Completions of Operator Matrices to Some Properties of Operator Products on Hilbert Spaces
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DOI: 10.1007/s11785-016-0600-1
Abstract: In this paper, we will investigate certain properties of some operator products on Hilbert spaces, by applications of completions of operator matrices. It is shown that, quite surprisingly, the invariance properties of the operator product… read more here.
Keywords: products hilbert; hilbert spaces; properties operator; operator products ... See more keywords
On Drazin Spectral Equation for the Operator Products
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DOI: 10.1007/s11785-019-00979-y
Abstract: Let X be a Banach space and A , B , C , D be bounded linear operators on X . In this paper we show that the Drazin (resp. generalized Drazin) spectrum of AC… read more here.
Keywords: drazin spectral; operator products; equation operator; operator ... See more keywords