3 papers
math.AG2000
The fourth tautological group of and relations with the cohomology
Marzia Polito
We give a complete description of the tautological subgroup of the fourth cohomology group of the moduli space of pointed stable curves, and prove that for g \geq 8 it coincides wi…
math.AG1998
On the work of Givental relative to mirror symmetry
G. Bini, C. De Concini, M. Polito +1
These are the informal notes of two seminars held at the Universita` di Roma "La Sapienza", and at the Scuola Normale Superiore in Pisa in Spring and Autumn 1997. We discuss in det…
math.AG1998
A formula for the Euler characteristic of
G. Bini, G. Gaiffi, M. Polito
In this paper we compute the generating function for the Euler characteristic of the Deligne-Mumford compactification of the moduli space of smooth n-pointed genus 2 curves.