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  Bidifferential calculus approach to AKNS hierarchies and their solutions

Dimakis, A., & Müller-Hoissen, F. (2010). Bidifferential calculus approach to AKNS hierarchies and their solutions. Symmetry, Integrability and Geometry: Methods and Applications, 6: 055. doi:10.3842/SIGMA.2010.055.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-122F-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-1230-D
Genre: Journal Article

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 Creators:
Dimakis, Aristophanes, Author
Müller-Hoissen, Folkert1, Author              
Affiliations:
1Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063285              

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 Abstract: We express AKNS hierarchies, admitting reductions to matrix NLS and matrix mKdV hierarchies, in terms of a bidifferential graded algebra. Application of a universal result in this framework quickly generates an infinite family of exact solutions, including e.g. the matrix solitons in the focusing NLS case. Exploiting a general Miura transformation, we recover the generalized Heisenberg magnet hierarchy and establish a corresponding solution formula for it. Simply by exchanging the roles of the two derivations of the bidifferential graded algebra, we recover ''negative flows'', leading to an extension of the respective hierarchy. In this way we also meet a matrix and vector version of the short pulse equation and also the sine-Gordon equation. For these equations corresponding solution formulas are also derived. In all these cases the solutions are parametrized in terms of matrix data that have to satisfy a certain Sylvester equation.

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Language(s): eng - English
 Dates: 2010-07-16
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 522420
DOI: 10.3842/SIGMA.2010.055
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Title: Symmetry, Integrability and Geometry: Methods and Applications
  Alternative Title : SIGMA
Source Genre: Journal
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Pages: - Volume / Issue: 6 Sequence Number: 055 Start / End Page: - Identifier: -