Search Results - "Eloísa Grifo"
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A stable version of Harbourne's Conjecture and the containment problem for space monomial curves
Published in Journal of pure and applied algebra (01-12-2020)“…The symbolic powers I(n) of a radical ideal I in a polynomial ring consist of the functions that vanish up to order n in the variety defined by I. These do not…”
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Expected resurgences and symbolic powers of ideals
Published in Journal of the London Mathematical Society (01-10-2020)Get full text
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Chudnovsky's conjecture and the stable Harbourne--Huneke containment
Published in Transactions of the American Mathematical Society. Series B (23-05-2022)“…We investigate containment statements between symbolic and ordinary powers and bounds on the Waldschmidt constant of defining ideals of points in projective…”
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Symbolic Powers of Ideals Defining F-pure and Strongly F-regular Rings
Published in International mathematics research notices (17-05-2019)“…Given a radical ideal $I$ in a regular ring $R$, the Containment Problem of symbolic and ordinary powers of $I$ consists of determining when the containment…”
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A uniform Chevalley theorem for direct summands of polynomial rings in mixed characteristic
Published in Mathematische Zeitschrift (01-08-2022)“…We prove an explicit uniform Chevalley theorem for direct summands of graded polynomial rings in mixed characteristic. Our strategy relies on the introduction…”
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Symbolic power containments in singular rings in positive characteristic
Published in Manuscripta mathematica (01-03-2023)“…The containment problem for symbolic and ordinary powers of ideals asks for what values of a and b we have I ( a ) ⊆ I b . Over a regular ring, a result by…”
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Expected Resurgence of Ideals Defining Gorenstein Rings
Published in The Michigan mathematical journal (01-08-2023)Get full text
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Expected resurgences and symbolic powers of ideals
Published in Journal of the London Mathematical Society (01-10-2020)“…We give explicit criteria that imply the resurgence of a self‐radical ideal in a regular ring is strictly smaller than its codimension, which in turn implies…”
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Local cohomology and Lyubeznik numbers of F-pure rings
Published in Journal of algebra (01-04-2021)“…In this article, we study certain local cohomology modules over F-pure rings. We give sufficient conditions for the vanishing of some Lyubeznik numbers, derive…”
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Demailly's Conjecture and the containment problem
Published in Journal of pure and applied algebra (01-04-2022)“…We investigate Demailly's Conjecture for a general set of sufficiently many points. Demailly's Conjecture generalizes Chudnovsky's Conjecture in providing a…”
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On the growth of deviations
Published in Proceedings of the American Mathematical Society (01-12-2016)“…The deviations of a graded algebra are a sequence of integers that determine the Poincaré series of its residue field and arise as the number of generators of…”
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Lower bounds on projective levels of complexes
Published in Journal of algebra (01-12-2017)“…For an associative ring R, the projective level of a complex F is the smallest number of mapping cones needed to build F from projective R-modules. We…”
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Bounds on cohomological support varieties
Published in Transactions of the American Mathematical Society. Series B (19-03-2024)“…Over a local ring R R , the theory of cohomological support varieties attaches to any bounded complex M M of finitely generated R R -modules an algebraic…”
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Edge ideals and DG algebra resolutions
Published in Matematiche (01-05-2015)“…Let R = S/I where S = k[T_1, . . . , T_n] and I is a homogeneous ideal in S. The acyclic closure R of k over R is a DG algebra resolution obtained by means of…”
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A stable version of Harbourne's Conjecture and the containment problem for space monomial curves
Published 12-11-2020“…Journal of Pure and Applied Algebra Volume 224, Issue 12, December 2020, 106435 The symbolic powers $I^{(n)}$ of a radical ideal $I$ in a polynomial ring…”
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Lower bounds on Betti numbers
Published 12-08-2021“…We survey recent results on bounds for Betti numbers of modules over polynomial rings, with an emphasis on lower bounds. Along the way, we give a gentle…”
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Bounds on cohomological support varieties
Published 03-07-2024“…Trans. Amer. Math. Soc. Ser. B 11 (2024), 703-726 Over a local ring $R$, the theory of cohomological support varieties attaches to any bounded complex $M$ of…”
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Symbolic Rees algebras
Published 02-12-2020“…We survey old and new approaches to the study of symbolic powers of ideals. Our focus is on the symbolic Rees algebra of an ideal, viewed both as a tool to…”
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A uniform Chevalley theorem for direct summands of polynomial rings in mixed characteristic
Published 01-04-2021“…We prove an explicit uniform Chevalley theorem for direct summands of graded polynomial rings in mixed characteristic. Our strategy relies on the introduction…”
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Constructing non-proxy small test modules for the complete intersection property
Published 24-09-2020“…A local ring $R$ is regular if and only if every finitely generated $R$-module has finite projective dimension. Moreover, the residue field $k$ is a test…”
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