The applications of a higher-dimensional Lie algebra and its decomposed subalgebras

Zhang Yu and Yufeng Zhang

Chaos, Solitons & Fractals, 2009, vol. 39, issue 1, 399-406

Abstract: With the help of invertible linear transformations and the known Lie algebras, a higher-dimensional 6×6 matrix Lie algebra sμ(6) is constructed. It follows a type of new loop algebra is presented. By using a (2+1)-dimensional partial-differential equation hierarchy we obtain the integrable coupling of the (2+1)-dimensional KN integrable hierarchy, then its corresponding Hamiltonian structure is worked out by employing the quadratic-form identity. Furthermore, a higher-dimensional Lie algebra denoted by E, is given by decomposing the Lie algebra sμ(6), then a discrete lattice integrable coupling system is produced. A remarkable feature of the Lie algebras sμ(6) and E is used to directly construct integrable couplings.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:39:y:2009:i:1:p:399-406

DOI: 10.1016/j.chaos.2007.04.011

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