Finite groups acting on coherent sheaves and Galois covers

Details Finite groups acting on coherent sheaves and Galois covers Finite groups acting on coherent sheaves and Galois covers

2003-02-11

arxiv.org/abs/math/0302110v1

Mathematics

Algebraic Geometry

14 pages, submitted to Journal of the London Mathematical Society

Scientific paper

Let G be a finite group and \rho: G--> End(E) be a group representation of G
on a coherent sheaf over an integral scheme. The purpose of this paper shall
give a decomposition theorem of such representations in non-splitting
components and apply this results to the studie of Galois covers

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