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Bernstein-Sato polynomials in positive characteristic
Mircea Mustata
In characteristic zero, the Bernstein-Sato polynomial of a hypersurface can be described as the minimal polynomial of the action of an Euler operator on a suitable D-module. We con…
math.AG2007
Generically finite morphisms and formal neighborhoods of arcs
Lawrence Ein, Mircea Mustata
We show that given a dominant morphism between two smooth varieties of the same dimension, the induced morphism between the formal neighborhoods of two arcs on these varieties is a…