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math.AG2004★ 1 cited
Relevements des revetements de courbes faiblement ramifies (Lifts of weakly ramified coverings of curves)
Gunther Cornelissen, Ariane Mezard
Let X be a smooth projective curve over a field of characteristic p>0 and G a finite group of automorphism of X. Let n(X,G) be the characteristic of the versal equivariant deformat…
math.AG2002★ 2 cited
Induction and restriction in formal deformation of coverings
Jose Bertin, Ariane Mezard
Let X/S be a semistable curve with an action of a finite group G and let H be a normal subgroup of G. We present a new condition under which for any base change T->S, (X/G)*T is is…