Solitary wave solutions to a class of Whitham-Boussinesq systems
arXiv:1810.03405 · doi:10.1007/s00033-019-1116-0
Abstract
In this note we study solitary wave solutions of a class of Whitham-Boussinesq systems which includes the bi-directional Whitham system as a special example. The travelling wave version of the evolution system can be reduced to a single evolution equation, similar to a class of equations studied by Ehrnström, Groves and Wahlén. In that paper the authors prove the existence of solitary wave solutions using a constrained minimization argument adapted to noncoercive functionals, developed by Buffoni, Groves and Wahlén, together with the concentration-compactness principle.
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