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math.AG2010
Automorphisms of rational surfaces with positive entropy
Julie Déserti, Julien Grivaux
A complex compact surface which carries an automorphism of positive topological entropy has been proved by Cantat to be either a torus, a K3 surface, an Enriques surface or a ratio…
math.AG2010
Topological properties of punctual Hilbert schemes of almost-complex fourfolds (II)
Julien Grivaux
In this article, we study the rational cohomology rings of Voisin's punctual Hilbert schemes associated to a symplectic compact fourfold . We prove that these rings ca…