Global weak solutions for a degenerate parabolic system modeling the spreading of insoluble surfactant Joachim EscherMattieu HillairetPhilippe LaurencotChristoph Walker 35K5135K6535K59thin filmweak solutiondegenerate parabolic system We prove global existence of a nonnegative weak solution to a degenerate parabolic system, which models the spreading of insoluble surfactant on a thin liquid film. Indiana University Mathematics Journal 2011 text pdf 10.1512/iumj.2011.60.4447 10.1512/iumj.2011.60.4447 en Indiana Univ. Math. J. 60 (2011) 1975 - 2020 state-of-the-art mathematics http://iumj.org/access/