Startseite Mathematik On the arithmetic of polynomial semidomains
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On the arithmetic of polynomial semidomains

  • Felix Gotti ORCID logo EMAIL logo und Harold Polo
Veröffentlicht/Copyright: 26. Juli 2023

Abstract

A subset S of an integral domain R is called a semidomain provided that the pairs ( S , + ) and ( S , ) are semigroups with identities. The study of factorizations in integral domains was initiated by Anderson, Anderson, and Zafrullah in 1990, and this area has been systematically investigated since then. In this paper, we study the divisibility and arithmetic of factorizations in the more general context of semidomains. We are specially concerned with the ascent of the most standard divisibility and factorization properties from a semidomain to its semidomain of (Laurent) polynomials. As in the case of integral domains, here we prove that the properties of satisfying the ascending chain condition on principal ideals, having bounded factorizations, and having finite factorizations ascend in the class of semidomains. We also consider the ascent of the property of being atomic and that of having unique factorization (none of them ascends in general). Throughout the paper, we provide several examples aiming to shed some light upon the arithmetic of factorizations of semidomains.


Communicated by Manfred Droste


Award Identifier / Grant number: DMS-1903069

Award Identifier / Grant number: DMS-2213323

Funding statement: During the preparation of this paper, the first author was supported by the NSF awards DMS-1903069 and DMS-2213323, while the second author was supported by the University of Florida Mathematics Department Fellowship.

Acknowledgements

The authors kindly thank an anonymous referee for helpful suggestions.

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Received: 2022-03-21
Revised: 2023-03-30
Published Online: 2023-07-26
Published in Print: 2023-09-01

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