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arxiv: 1712.06725 · v1 · pith:C6K5XCOSnew · submitted 2017-12-19 · 🧮 math.AC

star -super potent domains

classification 🧮 math.AC
keywords starsuperpotentdomaindomainsidealmaximalfinite-type
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For a finite-type star operation $\star$ on a domain $R$, we say that $R$ is $\star$-super potent if each maximal $\star$-ideal of $R$ contains a finitely generated ideal $I$ such that (1) $I$ is contained in no other maximal $\star$-ideal of $R$ and (2) $J$ is $\star$-invertible for every finitely generated ideal $J \supseteq I$. Examples of $t$-super potent domains include domains each of whose maximal $t$-ideals is $t$-invertible (e.g., Krull domains). We show that if the domain $R$ is $\star$-super potent for some finite-type star operation $\star$, then $R$ is $t$-super potent, we study $t$-super potency in polynomial rings and pullbacks, and we prove that a domain $R$ is a generalized Krull domain if and only if it is $% t $-super potent and has $t$-dimension one.

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