The solitons of Zabusky and Kruskal revisited: perspective in terms of the periodic spectral transform (Q1081033)

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scientific article; zbMATH DE number 3969224
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The solitons of Zabusky and Kruskal revisited: perspective in terms of the periodic spectral transform
scientific article; zbMATH DE number 3969224

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    The solitons of Zabusky and Kruskal revisited: perspective in terms of the periodic spectral transform (English)
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    1986
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    Considering the numerical soliton experiments of \textit{N. J. Zabusky} and \textit{M. D. Kruskal} [Phys. Rev. Lett. 15, 240-243 (1965)] in light of the spectral structure of the periodic Korteweg-de Vries equation, the authors derive the relationship between the infinite-line soliton and the soliton limit of periodic theory. They develop analytic and numerical procedures for determining the spectral structure of periodic wave train. Their estimates of the soliton amplitudes and phase speed agree with results of the above paper of Zabusky-Kruskal.
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    periodic Korteweg-de Vries
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    infinite-line soliton
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    spectral structure
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    periodic wave train
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