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- W1963480001 abstract "We derive the discrete linear systems associated to multi-matrix models, the corresponding discrete hierarchies and the appropriate coupling conditions. We also obtain the W1 + ∞ constraints on the partition function. We then apply to the multi-matrix models the technique, developed in previous papers, of extracting hierarchies of differential equations from lattice ones without passing through a continuum limit. In a q-matrix model we find 2q coupled differential systems. The corresponding differential hierarchies are particular versions of the KP hierarchy. We show that the multi-matrix partition function is a τ-function of these hierarchies. We discuss a few examples in the dispersionless limit." @default.
- W1963480001 created "2016-06-24" @default.
- W1963480001 creator A5029796895 @default.
- W1963480001 creator A5045093064 @default.
- W1963480001 date "1993-09-01" @default.
- W1963480001 modified "2023-10-01" @default.
- W1963480001 title "Multi-matrix models without continuum limit" @default.
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- W1963480001 doi "https://doi.org/10.1016/0550-3213(93)90432-o" @default.
- W1963480001 hasPublicationYear "1993" @default.
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