The tangent functor category revisited
نویسندگان
چکیده
منابع مشابه
The Tangent Space of the Deformation Functor of Curves with Automorphisms
The dimension of the tangent space to the global infinitesimal deformation functor of a curve together with a subgroup of the group of automorphisms is computed with the aid of equivariant cohomology. The computational techniques we developed are applied to the case of the Fermat curves.
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متن کاملOn the Tangent Space of the Deformation Functor of Curves with Automorphisms
We provide a method to compute the dimension of the tangent space to the global infinitesimal deformation functor of a curve together with a subgroup of the group of automorphisms. The computational techniques we developed are applied to several examples including Fermat curves, p-cyclic covers of the affine line and to Lehr-Matignon curves. The aim of this paper is the study of equivariant equ...
متن کاملA Homological Approach for Computing the Tangent Space of the Deformation Functor of Curves with Automorphisms
We give an alternative approach to the computation of the dimension of the tangent space of the deformation space of curves with automorphisms. A homological version of the local-global principle similar to the one of J.Bertin, A. Mézard is proved, and a computation in the case of ordinary curves is obtained, by application of the results of S. Nakajima for the Galois module structure of the sp...
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ژورنال
عنوان ژورنال: Indagationes Mathematicae (Proceedings)
سال: 1986
ISSN: 1385-7258
DOI: 10.1016/1385-7258(86)90029-6