2019
DOI: 10.48550/arxiv.1912.00713
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Multi-Component Extension of CAC Systems

Dan-Da Zhang,
Peter H. van der Kamp,
Da-Jun Zhang

Abstract: In this paper an approach to generate multi-dimensionally consistent N -component systems is proposed. The approach starts from scalar multi-dimensionally consistent quadrilateral systems and makes use of the cyclic group. The obtained N -component systems inherit integrable features such as Bäcklund transformations and Lax pairs, and exhibit interesting aspects, such as nonlocal reductions. Higher order single component lattice equations (on larger stencils) and multicomponent discrete Painlevé equations can … Show more

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Cited by 2 publications
(4 citation statements)
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“…Both equations ( 11) and (13) can also be derived from a two-component generalisation of the related scalar equation, BKP (5) respectively AKP (4), cf. equation (30) in [3] and section 3.2 in [10]. By a general result [10], such two-component generalisations are multi-dimensionally consistent, and moreover they provide Bäcklund transformations for their reductions, equations (11) or (13).…”
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confidence: 82%
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“…Both equations ( 11) and (13) can also be derived from a two-component generalisation of the related scalar equation, BKP (5) respectively AKP (4), cf. equation (30) in [3] and section 3.2 in [10]. By a general result [10], such two-component generalisations are multi-dimensionally consistent, and moreover they provide Bäcklund transformations for their reductions, equations (11) or (13).…”
mentioning
confidence: 82%
“…equation (30) in [3] and section 3.2 in [10]. By a general result [10], such two-component generalisations are multi-dimensionally consistent, and moreover they provide Bäcklund transformations for their reductions, equations (11) or (13).…”
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confidence: 82%
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“…These are equations defined on four vertices of a face of the square lattice, for which multidimensional consistency takes the form of consistency-around-a-cube (CAC). Outside of the ABS list there are also several other known types of CAC equations, including Boussinesq-type equations [8,9] and other multi-component equations [10][11][12], as well as equations satisfying formulations of multidimensional consistency which are different from CAC [13,14].…”
Section: Introductionmentioning
confidence: 99%