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Mathematics > Commutative Algebra

Title: Remarks on the Stanley depth and Hilbert depth of monomial ideals with linear quotients

Abstract: We prove that if $I$ is a monomial ideal with linear quotients in a ring of polynomials $S$ in $n$ indeterminates and $\operatorname{depth}(S/I)=n-2$, then $\operatorname{sdepth}(S/I)=n-2$ and, if $I$ is squarefree, $\operatorname{hdepth}(S/I)=n-2$.
Also, we prove that $\operatorname{sdepth}(S/I)\geq \operatorname{depth}(S/I)$ for a monomial ideal $I$ with linear quotients which satisfies certain technical conditions.
Comments: 11 pages; major revision - we corrected several proofs
Subjects: Commutative Algebra (math.AC)
MSC classes: 05E40, 06A17, 13A15, 13C15, 13P10
Cite as: arXiv:2102.07196 [math.AC]
  (or arXiv:2102.07196v5 [math.AC] for this version)

Submission history

From: Mircea Cimpoeaş [view email]
[v1] Sun, 14 Feb 2021 17:02:55 GMT (9kb)
[v2] Mon, 9 Aug 2021 15:27:17 GMT (9kb)
[v3] Wed, 3 Jan 2024 17:34:00 GMT (11kb)
[v4] Fri, 16 Feb 2024 19:07:49 GMT (11kb)
[v5] Tue, 14 May 2024 17:43:29 GMT (11kb)

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