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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.AC2017
Torsion-free Aluffi Algebras
Abbas Nasrollah Nejad, Zahra Shahidi, Rashid Zaare-Nahandi
A pair of ideals has been called Aluffi torsion-free if the Aluffi algebra of is isomorphic with the corresponding Rees algebra. We give necessary a…