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

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

1994-10-06

arxiv.org/abs/hep-th/9410034v2

Nucl.Phys. B440 (1995) 355-372

Physics

High Energy Physics

High Energy Physics - Theory

harvmac, 20 pages in `b' option. Revised version has some Comments added and minor notational modifications for improved clari

Scientific paper

10.1016/0550-3213(95)00036-R

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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