10 research outputs found
Igusa's Local Zeta Functions and Exponential Sums for Arithmetically Non Degenerate Polynomials
We study the twisted local zeta function associated to a polynomial in two
variables with coefficients in a non-Archimedean local field of arbitrary
characteristic. Under the hypothesis that the polynomial is arithmetically non
degenerate, we obtain an explicit list of candidates for the poles in terms of
geometric data obtained from a family of arithmetic Newton polygons attached to
the polynomial. The notion of arithmetical non degeneracy due to Saia and
Z\'u\~niga-Galindo is weaker than the usual notion of non degeneracy due to
Kouchnirenko. As an application we obtain asymptotic expansions for certain
exponential sums attached to these polynomials.Comment: 20 pages. In this version there is a more precise statement of Lemma
2.4 and a correction to the Example in Section 4. Minor corrections adde
Motivic Zeta Functions on \mathds{Q}-Gorenstein Varieties
We study motivic zeta functions for \mathds{Q}-divisors in a
\mathds{Q}-Gorenstein variety. By using a toric partial resolution of
singularities we reduce this study to the local case of two normal crossing
divisors where the ambient space is an abelian quotient singularity. For the
latter we provide a closed formula which is worked out directly on the quotient
singular variety. As a first application we provide a family of surface
singularities where the use of weighted blow-ups reduces the set of candidate
poles drastically. We also present an example of a quotient singularity under
the action of a nonabelian group, from which we compute some invariants of
motivic nature after constructing a \mathds{Q}-resolution.Comment: 27 pages, 4 figures. New version with minor correction
Una introducci贸n a la teor铆a de las funciones Zeta locales para principiantes
This survey article aims to provide an introduction to the theory of local zeta functions in the p-adic framework for beginners. We also give an extensive guide to the current literature on local zeta functions and its connections with other fields in mathematics and physics.En este art铆culo panor谩mico brindamos una introducci贸n a la teor铆a de las funciones zeta locales p-谩dicas para principiantes. Tambi茅n se presenta una revisi贸n extensiva a la literatura especializada sobre funciones zeta locales y sus conexiones con otros campos de las matem谩ticas y la f铆sica
An Introduction to the Theory of Local Zeta Functions from Scratch
This survey article aims to provide an introduction to the theory of local zeta functions in the p-adic framework for beginners. We also give an extensive guide to the current literature on local zeta functions and its connections with other fields in mathematics and physics
An Introduction to the Theory of Local Zeta Functions from Scratch
En este art铆culo panor谩mico brindamos una introducci贸n a la teor铆a de las funciones zeta locales p-谩dicas para principiantes. Tambi茅n se presenta una revisi贸n extensiva a la literatura especializada sobre funciones zeta locales y sus conexiones con otros campos de las matem谩ticas y la f铆sica.This survey article aims to provide an introduction to the theory of local zeta functions in the p-adic framework for beginners. We also give an extensive guide to the current literature on local zeta functions and its connections with other fields in mathematics and physics