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arXiv · hep-th/9611011

Two-Dimensional Chiral Matrix Models and String Theories

Ivan K. Kostov·Matthias Staudacher
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Abstract

We formulate and solve a class of two-dimensional matrix gauge models describing ensembles of non-folding surfaces covering an oriented, discretized, two-dimensional manifold. We interpret the models as string theories characterized by a set of coupling constants associated to worldsheet ramification points of various orders. Our approach is closely related to, but simpler than, the string theory describing two-dimensional Yang-Mills theory. Using recently developed character expansion methods we exactly solve the models for target space lattices of arbitrary internal connectivity and topology.

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Ivan K. Kostov, Matthias Staudacher. 1996-11-21. Two-Dimensional Chiral Matrix Models and String Theories. https://doi.org/10.1016/s0370-2693(96)01664-4

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