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math.AC2023
Finite homological dimension of Hom, vanishing of Ext, and applications to divisor class group
Souvik Dey, Dipankar Ghosh
For finitely generated modules and over a commutative Noetherian local ring , we give various sufficient criteria for detecting freeness of or via vanishing of…
math.AC2023★ 4 cited
Gorenstein rings via homological dimensions, and symmetry in vanishing of Ext and Tate cohomology
Dipankar Ghosh, Tony J. Puthenpurakal
The aim of this article is to consider the spectral sequences induced by tensor-hom adjunction, and provide a number of new results. Let be a commutative Noetherian local ring…