“…Remark 2.8. We were noticed about the fact that we are not the first to use the result in [15] in the positive characteristic case -Vraciu [17] has used similar techniques in order to obtain results on the minimal degree of a nontrivial zero-divisor in k[x 1 , . .…”
Section: Stanley's Results In Positive Characteristicmentioning
confidence: 99%
“…Thus a natural problem in characteristic p is to characterize which monomial complete intersections that have the SLP and the WLP. Partial results have appeared in [2,3,8,9,10,17]. In this paper, we continue this journey using purely algebraic methods.…”
Section: Introductionmentioning
confidence: 94%
“…. , d 5 , p) = (4, 4, 4, 4, 5, 3) was detected [17,Proposition 5.6], and when n = 4, a large family of WLP algebras is described [17,Proposition 5.6].…”
In this paper we study the Lefschetz properties of monomial complete intersections in positive characteristic. We give a complete classification of the strong Lefschetz property when the number of variables is at least three, which proves a conjecture by Cook II. We also extend earlier results on the weak Lefschetz property by dropping the assumption on the residue field being infinite, and by giving new sufficient criteria.
“…Remark 2.8. We were noticed about the fact that we are not the first to use the result in [15] in the positive characteristic case -Vraciu [17] has used similar techniques in order to obtain results on the minimal degree of a nontrivial zero-divisor in k[x 1 , . .…”
Section: Stanley's Results In Positive Characteristicmentioning
confidence: 99%
“…Thus a natural problem in characteristic p is to characterize which monomial complete intersections that have the SLP and the WLP. Partial results have appeared in [2,3,8,9,10,17]. In this paper, we continue this journey using purely algebraic methods.…”
Section: Introductionmentioning
confidence: 94%
“…. , d 5 , p) = (4, 4, 4, 4, 5, 3) was detected [17,Proposition 5.6], and when n = 4, a large family of WLP algebras is described [17,Proposition 5.6].…”
In this paper we study the Lefschetz properties of monomial complete intersections in positive characteristic. We give a complete classification of the strong Lefschetz property when the number of variables is at least three, which proves a conjecture by Cook II. We also extend earlier results on the weak Lefschetz property by dropping the assumption on the residue field being infinite, and by giving new sufficient criteria.
In a recent paper, De Stefani and Núñez-Betancourt proved that for a standard-graded F-pure k-algebra R , its diagonal F-threshold c(R) is always at least −a(R) , where a(R) is the a-invariant. In this paper, we establish a refinement of this result in the setting of complete intersection rings.
“…In addition, we use the Theorem 6.13 to find a lower bound for the F -signature. This example is possible thanks to recent computations of top socle degrees for diagonal hypersurfaces [Vra15b].…”
Section: The Equality Fpt(m) = C M (M) For Standard Graded Ringsmentioning
Dedicated to Professor Craig Huneke on the occasion of his sixty-fifth birthday.Abstract. We show the existence of F -thresholds in full generality. In addition, we study properties of standard graded algebras over a field for which F -pure threshold and F -threshold at the irrelevant maximal ideal agree. We also exhibit explicit bounds for the a-invariants and Castelnuovo-Mumford regularity of Frobenius powers of ideals in terms of F -thresholds and F -pure thresholds, obtaining the existence of related limits in certain cases.
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