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An inequality on diagonalF-thresholds over standard-graded completeintersection rings
Author(s) -
Jinjia Li
Publication year - 2019
Publication title -
turkish journal of mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.454
H-Index - 27
eISSN - 1303-6149
pISSN - 1300-0098
DOI - 10.3906/mat-1812-55
Subject(s) - mathematics , diagonal , complete intersection , invariant (physics) , pure mathematics , inequality , intersection (aeronautics) , algebra over a field , mathematical analysis , geometry , mathematical physics , engineering , aerospace engineering
In a recent paper, De Stefani and N\'{u}\~{n}ez-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.

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