Elena Caviglia

works on

clifford semigroups 1 factorisation systems 1 inverse semirings 1 monoidal Grothendieck construction 1 semilattices 1

From the 1 of 11 linked papers with an AI index.

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math.AC2026

A Mayer-Vietoris calculus for regular denominators

Elena Caviglia, Amartya Goswami

Let $A$ be a commutative ring and let $I$ be an ideal. An element $a \in A$ is a regular denominator for $I$ when multiplication by $a$ on $A / I$ is injective; we denote the set of a…

math.AC2025

On extensions of Cohen Structure Theorem

Elena Caviglia, Amartya Goswami, Luca Mesiti

The aim of this paper is to extend Cohen structure theorem beyond local rings. Both Cohen structure theorem and Nagata's generalization of it are special cases of our results. We i…