Exponential sums and singular hypersurfaces
Identifieur interne : 001786 ( Main/Merge ); précédent : 001785; suivant : 001787Exponential sums and singular hypersurfaces
Auteurs : Ricardo García L Pez [Espagne]Source :
- manuscripta mathematica [ 0025-2611 ] ; 1998-08-01.
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Abstract
Abstract:: We give upper bounds for the absolute value of exponential sums in several variables attached to certain polynomials with coefficients in a finite field. This bounds are given in terms of invariants of the singularities of the projective hypersurface defined by its highest degree form. For exponential sums attached to the reduction modulo a power of a large prime of a polynomial f with integer coefficients and veryfying a certain condition on the singularities of its highest degree form, we give a bound in terms of the dimension of the Jacobian quotient .
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DOI: 10.1007/s002290050084
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