pith. sign in

arxiv: math/0511348 · v2 · submitted 2005-11-14 · 🧮 math.AG

Stringy E-functions of varieties with A-D-E singularities

classification 🧮 math.AG
keywords stringye-functionhodgenumberssingularitiesvarietiesa-d-ebatyrev
0
0 comments X
read the original abstract

The stringy E-function for normal irreducible complex varieties with at worst log terminal singularities was introduced by Batyrev. It is defined by data from a log resolution. If the variety is projective and Gorenstein and the stringy E-function is a polynomial, Batyrev also defined the stringy Hodge numbers as a generalization of the Hodge numbers of nonsingular projective varieties, and conjectured that they are nonnegative. We compute explicit formulae for the contribution of an A-D-E singularity to the stringy E-function in arbitrary dimension. With these results we can say when the stringy E-function of a variety with such singularities is a polynomial and in that case we prove that the stringy Hodge numbers are nonnegative.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.