References & Citations
Mathematics > Functional Analysis
Title: Compact embeddings and Pitt's property for weighted sequence spaces of Sobolev type
(Submitted on 25 Apr 2024)
Abstract: In this article we introduce a new class of weighted sequence spaces of Sobolev type and prove several compact embedding theorems for them. In all cases our proofs are based on the existence of a Schauder basis that spans all of the spaces under consideration. Our choice of spaces is primarily motivated by earlier work on infinite-dimensional dynamical systems of hyperbolic type arising in non-equilibrium statistical mechanics. We also prove a theorem of Pitt's type asserting that under some conditions every linear bounded transformation from one weighted sequence space into another is compact.
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