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Open Access ·Peer-reviewed·ISSN (Online): 2169-012X·ISSN (Print): 0972-0502

Monthly Journal: Publishes the methodological and theoretical role of mathematics and mathematical applications underpinning scientific research.

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Open Access Research Article

Codisk–recurrent operators on Hilbert spaces

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pp. 1205–1210Vol. 29Issue 5-AMay 2026DOI: 10.47974/JIM-2302XML
Received:
01 May 2025
Published Online:
27 Jun 2026
Article type:
Research Article
Language:
EN
Article no.:
JIM-2302
Pages:
1205–1210

Abstract

This work introduces the novel concept, “codisk–recurrence,” that provides a precise structural description of recurrence behavior in infinite-dimensional Hilbert spaces in the context of topological dynamics. Many significant attributes of this class of operators have been investigated and analyzed in the second aim. Furthermore, a characterization for codisk recurrence is provided. In particular, codisk–recurrence itself is formulated in terms of the density of the set of their codisk–recurrence vectors.

Keywords

Subject Classifications

Primary 47A16Secondary 37B20

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