2022
DOI: 10.1007/s10231-022-01260-4
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Multiplication operators in BV spaces

Abstract: The aim of this paper is to provide necessary and sufficient conditions on the generator of a multiplication operator acting in the spaces of functions of bounded Young and Riesz variation so that it is, among other things, invertible, continuous, finite rank, compact, Fredholm or has closed range. Furthermore, we characterize various spectra of such operators and give some estimates on their measure of non-compactness.

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Cited by 2 publications
(3 citation statements)
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“…Example 1 (cf. [5], Example 12). Consider the space RBV p ([0, 1]) of functions with Riesz finite p-variation (for some p ≥ 1), i.e., with finite seminorms:…”
Section: Norms On Subalgebrasmentioning
confidence: 99%
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“…Example 1 (cf. [5], Example 12). Consider the space RBV p ([0, 1]) of functions with Riesz finite p-variation (for some p ≥ 1), i.e., with finite seminorms:…”
Section: Norms On Subalgebrasmentioning
confidence: 99%
“…However, the previous form of the lemma required a condition that was quite difficult to evaluate: hence, the restriction to the space of functions with bounded variation-although considered in a very different sense (cf. [4,5]). For example, in a recent paper [6], this approach is used to study sequences of generalized bounded variation.…”
Section: Introductionmentioning
confidence: 99%
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