Abstract
It is shown that a convenient choice of the definition of the spectral transform of the solutions of the Davey-Stewartson equation (or two-dimensional nonlinear Schrödinger equation) allows to characterize the 2-D nonlinear coherent structures by a point spectrum like in the one-dimensional case.
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References
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Leon, J., Boiti, M., Pempinelli, F. (1990). Spectral characterization of 2-D nonlinear coherent structures. In: Barthes, M., Léon, J. (eds) Nonlinear Coherent Structures. Lecture Notes in Physics, vol 353. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0033640
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DOI: https://doi.org/10.1007/BFb0033640
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