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An approximate orthogonal decomposition method for the solution of the generalized liouville equation

Dulov, Eugene and Sinitsyn, Alexandre (2013) An approximate orthogonal decomposition method for the solution of the generalized liouville equation. Boletín de Matemáticas; Vol. 14, núm. 2 (2007); 129-172 Boletín de Matemáticas; Vol. 14, núm. 2 (2007); 129-172 2357-6529 0120-0380 .

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Resumen

We consider an approximate integration method of the Cauchy problem for the generalized Liouville equation using symbolic and numeric computer computations. This method is based on the probability density function orthonormal series expansion in the small and initial time space domains. We are investigating several expansions and determine their convergence conditions to ensure the convergence of the asymptotic expansion to the solution of the considered problem.To illustrate the applicability of the introduced asymptotic orthogonal decompositions [18] we took the describing bidimensional integrable dispersive shallow water equation developed by Roberto Camassa and Darryl D. Holm, Los Alamos National Laboratory. Since CH-equation solutionsare represented by a superposition of arbitrary number of peakons (peaked solitons) [9],[16], one can compare the coincidence of the \peakon" solutions character provided by numerical modeling along some trajectories for truncated asymptotic series expansions obtained by symbolic computations.

Tipo de documento:Artículo - Article
Palabras clave:Liouville equation, orthonormal system, eigenfunction, strong and weak convergence, mean convergence, Camassa- Holm equation, Hermite functions.
Unidad administrativa:Revistas electrónicas UN > Boletín de Matemáticas
Código ID:38094
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :03 Julio 2014 18:52
Ultima modificación:18 Agosto 2014 22:11
Ultima modificación:18 Agosto 2014 22:11
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