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Existence and analyticity of lump solutions for generalized Benney-Luke equations

  • Autores: José Raúl Quintero
  • Localización: Revista Colombiana de Matemáticas, ISSN-e 0034-7426, Vol. 36, Nº. 2, 2002, págs. 71-95
  • Idioma: inglés
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  • Resumen
    • We prove the existence and analyticity of lump solutions (finite-energy solitary waves) for generalized Benney-Luke equations that arise in the study of the evolution of small amplitude, three-dimensional water waves. The family of generalized Benney-Luke equations reduce formally to the general- ized Korteweg-de Vries (GKdV) equation and to the generalized Kadomtsev- Petviashvili (GKP-I or GKP-II) equation in the appropriate limits. Existence lumps is proved via the concentration-compactness method. When surface ten- sion is sufficiently strong (Bond number larger than1/3), we prove that a suit- able family of generalized Benney-Luke lump solutions converges to a nontrivial lump solution for the GKP-I equation.


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