On absolutely continuous spectrum for one-channel unitary operators
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DOI: 10.1007/s11005-024-01866-0
Abstract: In this paper, we develop the radial transfer matrix formalism for unitary one-channel operators. This generalizes previous formalisms for CMV matrices and scattering zippers. We establish an analog of Carmona’s formula and deduce criteria for… read more here.
Keywords: continuous spectrum; absolutely continuous; spectrum one; one channel ... See more keywords