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math.AC2019
The module of Valabrega-Valla of the Jacobian ideal of points in projective plane
Abbas Nasrollah Nejad, Zahra Shahidi
The module of Valabrega-Valla of the Jacobian ideal of a reduced projective variety is the torsion of the Aluffi algebra. One considers the problem of its vanishing in the case…
math.AC2019
Hypersurfaces with linear type singular loci
Amir Behzad Farrahy, Abbas Nasrollah Nejad
In this paper, necessary and sufficient criteria for the Jacobian ideal of a reduced hypersurface with isolated singularity to be of linear type, are presented. We prove that the g…