2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219764Eynard'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.25 pages, 7 figuresHigh Energy Physics - TheoryMathematical PhysicsA Lagrangean formalism for Hermitean matrix modelstext