A compactification of the universal jacobian and Hamiltonian Gromov-Witten invariants

Ignasi Mundet i Riera
University Polit. Catalunya

We will explain a way to compactify the universal jacobian by suitably extending it to the Deligne-Mumford moduli space of stable curves. This compactification will be used to define Hamiltonian Gromov-Witten invariants coupled with gravity.

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