2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/140042It is proved that the system of string equations of the dispersionless 2-Toda hierarchy which arises in the planar limit of the hermitian matrix model also underlies certain processes in Hele-Shaw flows.Invite talk to NEEDS 2007Exactly Solvable and Integrable SystemsA common integrable structure in the hermitian matrix model and Hele-Shaw flowstext