2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/85220From a columnar approximation of the Euler equations of an incompressible fluid with surface tension, we derive in the short-wave approximation a new integrable classical 1+1 dimensional field theory for the motion of the surface. Together with a Lorentz invariance,this system has the novel feature of solutions which become multiple valued in finite time.4 pages, 2 figuresFluid DynamicsHigh Energy Physics - TheoryExactly Solvable and Integrable Systemstext