RAFF 发表于 2025-3-25 06:05:51
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Norm and Essential Norm of Composition Operators Mapping into Weighted Banach Spaces of Harmonic Maapply our results to the case when the composition operator acts on the members of a class of harmonic Hilbert spaces. We obtain an exact formula of the essential norm, which holds in particular for the harmonic Hardy space, the harmonic Bergman space, the harmonic Dirichlet space, and the harmonic Bloch space.inchoate 发表于 2025-3-25 15:16:30
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2297-0215 lysis.Promotes the interchange of ideas among researches in This book collects selected peer reviewed papers on the topics of Nonlinear Analysis, Functional Analysis, (Korovkin-Type) Approximation Theory, and Partial Differential Equations. The aim of the volume is, in fact, to promote the connectio发电机 发表于 2025-3-26 03:43:52
,On Wachnicki’s Generalization of the Gauss–Weierstrass Integral,a generalization of the heat equation. The main result is an asymptotic expansion for the operators when applied to a function belonging to a rather large class. An essential auxiliary result is a localization theorem which is interesting in itself.euphoria 发表于 2025-3-26 08:23:43
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