Obstruction Calculus for Functors of Art
โ
Barbara Fantechi; Marco Manetti
๐
Article
๐
1998
๐
Elsevier Science
๐
English
โ 340 KB
In this paper we define and study obstruction theories for morphisms of functors of Artin rings. We prove the existence of a universal obstruction theory, and we give explicit criteria for completeness and for linearity. As applications, we extend several results in the literature, removing the fini