, Volume 32, Issue 3-4, pp 295-302

Zur endlichen Homologischen Dimension von Differentialmoduln

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It will be shown that for a reduced separable analytic k-algebra A, with k being a field, a necessary condition for the finite differential module of A to have finite homological dimension is that the canonical module of A is free. This generalizes a result of T. Matsuoka and Y. Aoyama concerning almost complete intersections. In case that A is a normal domain and smooth in codimension ≤1 an analogous statement can be made for the module of derivations and the module of Zariski differentials of A.