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most citedSign-Preserving Property for Some Fourth-Order Elliptic Operators in One Dimension and Radial Symmetry

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math.AP2010

Global weak solutions for a degenerate parabolic system modeling the spreading of insoluble surfactant

Joachim Escher, Matthieu Hillairet, Philippe Laurencot +1

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.