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hep-th2000
Topological gravity in genus 2 with two primary fields
Tohru Eguchi, Ezra Getzler, Chuan-Sheng Xiong
We calculate the genus 2 correlation functions of two-dimensional topological gravity, in a background with two primary fields, using the genus 2 topological recursion relations.
math.DG2000
A Darboux theorem for Hamiltonian operators in the formal calculus of variations
Ezra Getzler
We prove a Darboux theorem for formal deformations of Hamiltonian operators of hydrodynamic type (Dubrovin-Novikov). Not all deformations are equivalent to the original operator: t…