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Nonlinearly Self‐Adjoint, Conservation Laws and Solutions for a Forced BBM Equation

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  • Maria Luz Gandarias
  • Chaudry Masood Khalique

Abstract

We study a forced Benjamin‐Bona‐Mahony (BBM) equation. We prove that the equation is not weak self‐adjoint; however, it is nonlinearly self‐adjoint. By using a general theorem on conservation laws due to Nail Ibragimov and the symmetry generators, we find conservation laws for these partial differential equations without classical Lagrangians. We also present some exact solutions for a special case of the equation.

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Handle: RePEc:wly:jnlaaa:v:2014:y:2014:i:1:n:630282
DOI: 10.1155/2014/630282
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