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The physical meaning of a nonlinear evolution equation of the fourth order relating to locally and non-locally supercritical waves

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  • Nonlinear Partial Differential Equations
  • Evolution Equations
  • Supercritical Solitary Waves
  • Locally Supercritical Waves
  • Non-Locally Supercritical Waves
  • Mathematics
  • Physics


In this paper the physical meaning of a nonlinear partial differential equation (nPDE) of the fourth order relating to wave theory is deduced to the first time. The equation under consideration belongs to a class of less studied nPDEs and an explicit physical meaning is not known until now. This paper however bridges the gap between some known results and a concrete application concerning wave theory. We show how one can derive locally supercritical solitary waves as well as locally and nonlocally forced supercritical waves and analytical solutions are given explicitly. Keywords: Nonlinear partial differential equations, evolution equations, supercritical solitary waves, locally supercritical waves, non-locally supercritical waves.

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