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Let $A$ be an integral domain. We study new conditions on families of integral ideals of $A$ in order to get that $A$ is of $t$-finite character (i.e., each nonzero element of $A$ is contained in finitely many $t$-maximal ideals). We also…

Commutative Algebra · Mathematics 2010-01-29 Carmelo Antonio Finocchiaro , Giampaolo Picozza , Francesca Tartarone

Let D be a Krull domain and Int(D) the ring of integer-valued polynomials on D. For any f in Int(D), we explicitly construct a divisor homomorphism from [f], the divisor-closed submonoid of Int(D) generated by f, to a finite sum of copies…

Number Theory · Mathematics 2016-04-19 Sophie Frisch

Call a domain $R$ an sQQR-domain if each simple overring of $R$, i.e., each ring of the form $R[u]$ with $u$ in the quotient field of $R$, is an intersection of localizations of $R$. We characterize Pr\"ufer domains as integrally closed…

Commutative Algebra · Mathematics 2007-05-23 Marco Fontana , Evan Houston , Thomas Lucas

We classify dp-minimal integral domains, building off the existing classification of dp-minimal fields and dp-minimal valuation rings. We show that if R is a dp-minimal integral domain, then R is a field or a valuation ring or arises from…

Logic · Mathematics 2025-04-16 Christian d'Elbée , Yatir Halevi , Will Johnson

Let $\ast $ be a finite character star operation defined on an integral domain $D.$ Call a nonzero $\ast $-ideal $I$ of finite type a $\ast $ -homogeneous ($\ast $-homog) ideal, if $I\subsetneq D$ and $(J+K)^{\ast }\neq D$ for every pair…

Commutative Algebra · Mathematics 2018-02-26 Daniel D. Anderson , Muhammad Zafrullah

This paper studies the Ratliff-Rush closure of ideals in integral domains. By definition, the Ratliff-Rush closure of an ideal $I$ of a domain $R$ is the ideal given by $\tilde{I}:=\bigcup(I^{n+1}:_{R}I^{n})$ and an ideal $I$ is said to be…

Commutative Algebra · Mathematics 2008-02-11 Abdeslam Mimouni

The notion of maximal non valuative domain is introduced and characterized. An integral domain R is called a maximal non valuative domain if R is not a valuative domain but every proper overring of R is a valuative domain. Maximal non…

Commutative Algebra · Mathematics 2020-09-08 Rahul Kumar , Atul Gaur

In this paper, we advance an ideal-theoretic analogue of a "finite factorization domain" (FFD), giving such a domain the moniker "finite molecularization domain" (FMD). We characterize FMD's as those factorable domains (termed "molecular…

Commutative Algebra · Mathematics 2021-01-08 Andrew J. Hetzel , Anna L. Lawson , Andreas Reinhart

In this article we study two classes of integral domains. The first is characterized by having a finite intersection of principal ideals being finitely generated only when it is principal. The second class consists of the integral domains…

Commutative Algebra · Mathematics 2020-02-05 Lorenzo Guerrieri , K. Alan Loper

Given an integral domain $D$ with quotient field $K$, the ring of integer-valued polynomials on D is the subring $\{f (X) \in K[X]: f(D) \subset D\}$ of the polynomial ring $K[X]$. Using the related tools of $t$-closure and associated…

Commutative Algebra · Mathematics 2011-05-03 Jesse Elliott

We study the integral domains D satisfying the following condition: whenever I >AB with I,A,B nonzero ideals, there exist ideals A'>A and B'>B such that I=A'B'.

Commutative Algebra · Mathematics 2011-12-02 Zaheer Ahmad , Tiberiu Dumitrescu , Mihai Epure

Given a star operation * of finite type, we call a domain R a *-unique representation domain (*-URD) if each *-invertible *-ideal of R can be uniquely expressed as a *-product of pairwise *-comaximal ideals with prime radical. When * is the…

Commutative Algebra · Mathematics 2008-07-22 Said El Baghdadi , Stefania Gabelli , Muhammad Zafrullah

The t-class semigroup of an integral domain is the semigroup of the isomorphy classes of the t-ideals with the operation induced by t-multiplication. This paper investigates integral domains with Boolean t-class semigroup with an emphasis…

Commutative Algebra · Mathematics 2016-01-29 S. Kabbaj , A. Mimouni

In this paper, we completely describe the family of integrally closed Noetherian domains between $\mathbb{Z}[X]$ and $\mathbb{Q}[X]$. We accomplish this result by classifying the Krull domains between these two polynomial rings. To this…

Commutative Algebra · Mathematics 2026-02-02 Gyu Whan Chang , Giulio Peruginelli

Let $S(D)$ represent a set of proper nonzero ideals $I(D)$ (resp., $t$ -ideals $I_{t}(D)$) of an integral domain $D\neq qf(D)$ and let $P$ be a valid property of ideals of $D.$ We say $S(D)$ meets $P$ (denoted $ S(D)\vartriangleleft P)$ if…

Commutative Algebra · Mathematics 2021-07-19 Muhammad Zafrullah

We generalize the theory of radical factorization from almost Dedekind domain to strongly discrete Pr\"ufer domains; we show that, for a fixed subset $X$ of maximal ideals, the finitely generated ideals with $\mathcal{V}(I)\subseteq X$ have…

Commutative Algebra · Mathematics 2024-09-17 Dario Spirito

A domain $R$ is said to have the finite factorization property if every nonzero non-unit element of $R$ has at least one and at most finitely many distinct factorizations up to multiplication of irreducible factors by central units. Let $k$…

Rings and Algebras · Mathematics 2019-03-06 Jason P. Bell , Albert Heinle , Viktor Levandovskyy

We consider the lattice-ordered groups Inv$(R)$ and Div$(R)$ of invertible and divisorial fractional ideals of a completely integrally closed Pr\"ufer domain. We prove that Div$(R)$ is the completion of the group Inv$(R)$, and we show there…

Commutative Algebra · Mathematics 2016-05-04 Olivier A. Heubo-Kwegna , Bruce Olberding , Andreas Reinhart

Given a stable semistar operation of finite type $\star$ on an integral domain $D$, we show that it is possible to define in a canonical way a stable semistar operation of finite type $\star[X]$ on the polynomial ring $D[X]$, such that, if…

Commutative Algebra · Mathematics 2009-09-07 Parviz Sahandi

Let $R=\bigoplus_{\alpha\in\Gamma}R_{\alpha}$ be a graded integral domain graded by an arbitrary grading torsionless monoid $\Gamma$, and $\star$ be a semistar operation on $R$. In this paper we define and study the graded integral domain…

Commutative Algebra · Mathematics 2014-12-12 Parviz Sahandi