Factorization of a Class of Matrix Functions in the Wiener Algebra of Order 2

A representative class of matrix functions from the Wiener algebra of order 2 admitting an effective factorization is found. The factorization problem for elements of this class is reduced to a truncated Wiener–Hopf equation with a contracting integral operator. The latter guarantees, as will be sho...

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Veröffentlicht in:Russian mathematics 2023-03, Vol.67 (3), p.32-41
1. Verfasser: Voronin, A. F.
Format: Artikel
Sprache:eng
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Zusammenfassung:A representative class of matrix functions from the Wiener algebra of order 2 admitting an effective factorization is found. The factorization problem for elements of this class is reduced to a truncated Wiener–Hopf equation with a contracting integral operator. The latter guarantees, as will be shown in the article, the existence of a canonical factorization and its explicit construction for matrix functions from the class under consideration.
ISSN:1066-369X
1934-810X
DOI:10.3103/S1066369X23030076