Abstract
The lumps are specific types of solitary waves completely localised in the two-dimensional space. They represent exact solutions of the Kadomtsev–Petviashvili equation with the positive dispersion. A summary of up-to-date knowledge on lump solutions is presented. It is shown that they can form stationary bound states, and their interaction is very nontrivial.
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The author is thankful to N.B. Krivatkina for her help with editing the paper.
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Stepanyants, Y. (2017). Multi-Lump Structures in the Kadomtsev–Petviashvili Equation. In: Aranson, I., Pikovsky, A., Rulkov, N., Tsimring, L. (eds) Advances in Dynamics, Patterns, Cognition. Nonlinear Systems and Complexity, vol 20. Springer, Cham. https://doi.org/10.1007/978-3-319-53673-6_19
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