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math.DS2013★ 5 cited
Loci in strata of meromorphic differentials with fully degenerate Lyapunov spectrum
Julien Grivaux, Pascal Hubert
We construct explicit closed GL(2, R)-invariant loci in strata of meromorphic differentials of arbitrary large dimension with fully degenerate Lyapunov spectrum. This answers a que…
math.AG2013
Parabolic automorphisms of projective surfaces (after M. H. Gizatullin)
Julien Grivaux
In 1980, Gizatullin classified rational surfaces endowed with an automorphism whose action on the Neron-Severi group is parabolic: these surfaces are endowed with an elliptic fibra…
math.AG2013★ 5 cited
Formality of derived intersections
Julien Grivaux
We study derived intersections of smooth analytic cycles, and provide in some cases necessary and sufficient conditions for this intersection be formal. In particular, if X is a co…