Affiliation:
1. National School of Electronics and Telecommunications of Sfax, Sfax, Tunisia
Abstract
In the present paper, we consider a 2 ? 2 block operator matrices with
unbounded entry operators acting on Banach spaces. Under some conditions, we
develop criteria for its self-adjointness and closedness. The obtained
results are applied to an Hamiltonian operator matrix.
Publisher
National Library of Serbia
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