Titlebook: Operator Theory, Functional Analysis and Applications; M. Amélia Bastos,Luís Castro,Alexei Yu. Karlovich Conference proceedings 2021 Sprin

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Tight and Cover-to-Join Representations of Semilattices and Inverse Semigroups, the former, together with an appropriate selection of codomains, makes the two notions equivalent. As a consequence, when constructing universal objects based on them, one is allowed to substitute cover-to-join for tight and vice-versa.

Latency

Calkin Images of Fourier Convolution Operators with Slowly Oscillating Symbols,ersection of the Calkin image of the algebra generated by the operators of multiplication . by functions . ∈ Φ and the Calkin image of the algebra generated by the Fourier convolution operators ..(.) with symbols in . coincides with the Calkin image of the algebra generated by the operators of multiplication by constants.

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A Note on the Fredholm Theory of Singular Integral Operators with Cauchy and Mellin Kernels, II, real line are formulated under weaker conditions than in Junghanns and Kaiser (Oper Theory Adv Appl 271:291–325, 2018). Moreover, results on the one-sided invertibility of the operators under consideration are proved.

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A Closer Look at Bishop Operators,The purpose of this work is to provide a survey, essentially self-contained, of those results mainly concerned with the study of ., their (local) spectral properties and spectral invariant subspaces, whenever they do exist. Finally, we will discuss ., addressing some open questions in this context.

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,The Generalized ,-Complex on the Segal–Bargmann Space,We study certain densely defined unbounded operators on the Segal-Bargmann space, related to the annihilation and creation operators of quantum mechanics. We consider the corresponding .-complex and study properties of the corresponding complex Laplacian ., where . is a differential operator of polynomial type.

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Operator Theory, Functional Analysis and Applications978-3-030-51945-2Series ISSN 0255-0156 Series E-ISSN 2296-4878