Automorphismes naturels de l'espace de Douady de points sur une surface

Details Automorphismes naturels de l'espace de Douady de points sur une surface Automorphismes naturels de l'espace de Douady de points sur une surface

2009-05-27

arxiv.org/abs/0905.4367v1

Mathematics

Algebraic Geometry

In french. To appear in Canad. J. Math

Scientific paper

We prove some general results concerning the size of the group of
automorphisms of the Douady space of points on a surface. We then study some
properties of the automorphisms coming from an automorphism of the surface, in
particular their action on the cohomology and the classification of their fixed
points.

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