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arXiv · hep-th/0610006

Notes on Exact Multi-Soliton Solutions of Noncommutative Integrable Hierarchies

Masashi Hamanaka
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Abstract

We study exact multi-soliton solutions of integrable hierarchies on noncommutative space-times which are represented in terms of quasi-determinants of Wronski matrices by Etingof, Gelfand and Retakh. We analyze the asymptotic behavior of the multi-soliton solutions and found that the asymptotic configurations in soliton scattering process can be all the same as commutative ones, that is, the configuration of N-soliton solution has N isolated localized energy densities and the each solitary wave-packet preserves its shape and velocity in the scattering process. The phase shifts are also the same as commutative ones. Furthermore noncommutative toroidal Gelfand-Dickey hierarchy is introduced and the exact multi-soliton solutions are given.

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Masashi Hamanaka. 2007-02-15. Notes on Exact Multi-Soliton Solutions of Noncommutative Integrable Hierarchies. https://doi.org/10.1088/1126-6708%2F2007%2F02%2F094

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