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A Lagrangean formalism for Hermitean matrix models
2009
Nuclear Physics B
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Eynard's formulation of Hermitean 1-matrix models in terms of intrinsic quantities of an associated hyperelliptic Riemann surface is rephrased as a Lagrangean field theory of a scalar particle propagating on the hyperelliptic surface with multiple self-interactions and particle-source interactions. Both types of interaction take place at the branch points of the hyperelliptic surface.
doi:10.1016/j.nuclphysb.2008.10.008
fatcat:ottodfahk5b5toeqswujvfgqga