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arXiv · hep-th/9410034

Topological 2D String Theory: Higher-genus Amplitudes and W-infinity Identities

Debashis Ghoshal·Camillo Imbimbo·Sunil Mukhi
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Abstract

We investigate Landau-Ginzburg string theory with the singular superpotential X^{-1} on arbitrary Riemann surfaces. This theory, which is a topological version of the c=1 string at the self-dual radius, is solved using results from intersection theory and from the analysis of matter Landau-Ginzburg systems, and consistency requirements. Higher-genus amplitudes decompose as a sum of contributions from the bulk and the boundary of moduli space. These amplitudes generate the W-infinity algebra.

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Debashis Ghoshal, Camillo Imbimbo, Sunil Mukhi. 1995-01-24. Topological 2D String Theory: Higher-genus Amplitudes and W-infinity Identities. https://doi.org/10.1016/0550-3213(95)00036-r

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