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|Title:||Lie - Backlund symmetries of homogeneous system of bi-dimensional equations|
|Abstract:||The framework of generalized (Lie-Backlund) symmetries is used to analyze a general homogeneous hyperbolic system of bi-dimensional quasilinear equations. The symmetries of the first order are constructed and the theorem of the existence of the generalized symmetries is formulated. As example, we consider the spatially one-dimensional time dependent system of equations, which describes the gravity-driven free surface flow of granular avalanches.|
|Appears in Collections:||Producción científica UdeG|
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