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math.AC2000
An example of a non acyclic Koszul complex of a module
F. Planas-Vilanova
In his paper "Residues of a Pfaff system relative to an invariant subscheme" in Trans. Amer. Math. Soc. 352, 2000, 4019-4035, F. Sancho de Salas defines the universal Koszul comple…
math.AC1999
Normal transversality and uniform bounds
Francesc Planas-Vilanova
For two ideals and of a noetherian ring, we characterize, in terms of the vanishing of Tor modules, when the associated graded ring of the sum is isomorphic to the te…
math.AC1999
The strong uniform Artin-Rees property in codimension one
Francesc Planas-Vilanova
The purpose of this paper is to prove the following theorem of uniform Artin-Rees properties: Let be an excellent (in fact J-2) ring and let be two finitely genera…