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Covariance of WDVV equations

A. Mironov, A. Morozov

hep-tharXiv:hep-th/9712177

Abstract

The (generalized) WDVV equations for the prepotentials in 2d topological and 4,5d Seiberg-Witten models are covariant with respect to non-linear transformations, described in terms of solutions of associated linear problem. Both time-variables and the prepotential change non-trivially, but period matrix (prepotential's second derivatives) remains intact.

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