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Lax hierarchy, Solitons, Sumrules and a ...
Sukumar, C. V....
Lax hierarchy, Solitons, Sumrules and a dual Lax hierarchy by Sukumar, C. V. ( Author )
Australian National University
27-07-2023
It is shown that a set of functions which characterise the Lax hierarchy of non-linear equations may be represented in terms of the eigenstates of the potential which satisfies the generalised KdV equation. Such a representation leads to sumrules relating integrals involving the soliton potential and its various derivatives to sums involving the boundstate eigenvalues of the Schroedinger equation for the reflectionless potential. A new hierarchy of functions, which is in a sense dual to the Lax hierarchy, is identified. It is shown that time dependent equations involving the dual functions may be established which permit solutions related to an N-soliton structure similar to that for the Lax hierarchy but with a different 'speed' for the solitons.
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Article
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29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1206.5978
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