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Abelian versus non-Abelian BÄcklund charts : Some remarks

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Author list: Schiebold, Cornelia

Publication year: 2019

Start page: 43

End page: 55

Number of pages: 13

ISSN: 2163-2472

DOI: http://dx.doi.org/10.3934/eect.2019003


Abstract

Connections via Bäcklund transformations among different nonlinear evolution equations are investigated aiming to compare corresponding Abelian and non Abelian results. Specifically, links, via Bäcklund transformations, connecting Burgers and KdV-type hierarchies of nonlinear evolution equations are studied. Crucial differences as well as notable similarities between Bäcklund charts in the case of the Burgers-heat equation, on one side, and KdV-type equations, on the other, are considered. The Bäcklund charts constructed in [16] and [17], respectively, to connect Burgers and KdV-type hierarchies of operator nonlinear evolution equations show that the structures, in the non-commutative cases, are richer than the corresponding commutative ones.


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