Nagoya Mathematical Journal

Motivic zeta functions for curve singularities

J. J. Moyano-Fernández and W. A. Zúñiga-Galindo
Source: Nagoya Math. J. Volume 198 (2010), 47-75.

Abstract

Let $X$ be a complete, geometrically irreducible, singular, algebraic curve defined over a field of characteristic $p$ big enough. Given a local ring $\mathcal{O}_{P,X}$ at a rational singular point $P$ of $X$, we attached a universal zeta function which is a rational function and admits a functional equation if $\mathcal{O}_{P,X}$ is Gorenstein. This universal zeta function specializes to other known zeta functions and Poincaré series attached to singular points of algebraic curves. In particular, for the local ring attached to a complex analytic function in two variables, our universal zeta function specializes to the generalized Poincaré series introduced by Campillo, Delgado, and Gusein-Zade.

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Primary Subjects: 14H20, 14G10
Secondary Subjects: 32S40, 11S40
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Links and Identifiers

Permanent link to this document: http://projecteuclid.org/euclid.nmj/1273496985
Digital Object Identifier: doi:10.1215/00277630-2009-007
Mathematical Reviews number (MathSciNet): MR2666577
Zentralblatt MATH identifier: 05735944

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