From Virasoro Constraints in Kontsevich's Model to W-constraints in 2-matrix Models
A. Marshakov, A. Mironov, A. Morozov
Abstract
The Ward identities in Kontsevich-like 1-matrix models are used to prove at the level of discrete matrix models the suggestion of Gava and Narain, which relates the degree of potential in asymmetric 2-matrix model to the form of W-constraints imposed on its partition function.
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