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T-duality invariance in random lattice strings

W. Siegel

hep-tharXiv:hep-th/9603030

Abstract

Preserving the T-duality invariance of the continuum string in its random lattice regularization uniquely determines the random matrix model potential. For D=0 the duality transformation can be performed explicitly on the matrix action, and replaces color with flavor; invariance thus requires that the color and flavor groups be the same.

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