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math.AG2016
Galois covers of type (p,...,p), vanishing cycles formula, and the existence of torsor structures
Mohamed Saidi, Nicholas Williams
In this article we prove a local Riemman-Hurwitz formula which compares the dimensions of the spaces of vanishing cycles in a finite Galois cover of type (p,p,...,p) between formal…
math.AG2015
On the existence of a torsor structure for Galois covers over a complete discrete valuation ring
Mohamed Saidi, Nicholas Williams
In this note we investigate the problem of existence of a torsor structure for Galois covers of (formal) schemes over a complete discrete valuation ring of residue characteristic $…