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On Rees algebras and invariants for singularities over perfect fields

The purpose of this paper is to show how Rees algebras can be applied in the study of singularities embedded in smooth schemes over perfect fields. In particular, we will study situations in which the multiplicity of a hypersurface is a multiple of the characteristic. As another application, here we indicate how the use of these algebras has trivialized local-global questions in resolution of singularities over fields of characteristic zero.

preprint2012arXivOpen access
A. BravoM. L. García-EscamillaO. E. Villamayor U.
math.ACmath.AG
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A. BravoM. L. García-EscamillaO. E. Villamayor U.

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