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Solitary wave solutions to a class of Whitham–Boussinesq systems

  • Dag NilssonEmail author
  • Yuexun Wang
Article
  • 27 Downloads

Abstract

In this note, we study solitary wave solutions of a class of Whitham–Boussinesq systems which include the bidirectional 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 et al. (Nonlinearity 25:2903–2936, 2012). In that paper, the authors prove the existence of solitary wave solutions using a constrained minimization argument adapted to noncoercive functionals, developed by Buffoni (Arch Ration Mech Anal 173:25–68, 2004), Groves and Wahlén (J Math Fluid Mech 13:593–627, 2011), together with the concentration–compactness principle.

Keywords

Whitham-type equations Dispersive equations Solitary wave 

Mathematics Subject Classification

76B15 76B25 35S30 35A20 

Notes

Acknowledgements

Both authors thank M. Ehrnström and E. Wahlén for suggesting this topic. We would also like to thank the referees for their careful reading, helpful suggestions and valuable comments, which helped us a lot to improve the presentation of this manuscript.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Mathematical SciencesNorwegian University of Science and TechnologyTrondheimNorway

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