For monomial algebraic and algebroid curves over a noetherian ring R, the relative Lipschitz saturation equals A[t^{L(r)}], where L(r) is computed explicitly from the numerical semigroup of the exponents.
Relative Lipschitz saturation of complex algebraic varieties
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abstract
This paper is devoted to the study of the relative Lipschitz saturation of complex algebraic varieties. More precisely, we investigate the concept of Lipschitz saturation of a variety in another, and we focus on the case where the dominant morphism between the two varieties is not necessarily finite. In particular, we answer, in the case of algebraic varieties, an open question of Pham and Teissier concerning the finiteness of the Lipschitz saturation of general algebras. Finally, we use the Lipschitz saturation to provide algebraic criteria for two algebraic varieties to be linked by an algebraic morphism, which is a locally biLipschitz homeomorphism on the closed points of the variety.
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Monomial algebraic and algebroid curves and their Lipschitz saturation over the ground ring
For monomial algebraic and algebroid curves over a noetherian ring R, the relative Lipschitz saturation equals A[t^{L(r)}], where L(r) is computed explicitly from the numerical semigroup of the exponents.