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Zbl 1115.53058
Yanovski, Alexander B.
Compatible Poisson tensors related to bundles of Lie algebras. (English)
[A] Mladenov, Iva\"ilo (ed.) et al., Proceedings of the 7th international conference on geometry, integrability and quantization, Sts. Constantine and Elena, Bulgaria, June 2--10, 2005. Sofia: Bulgarian Academy of Sciences. 307-319 (2006). ISBN 954-8495-30-9/pbk

In this paper the author outlines some applications of the theory of bundles of Lie algebras related to infinite dimensional integrable systems. In particular one investigates some recent results about the Poisson structures arising on the coalgebra of a given Lie algebra on which there is a structure of a bundle of Lie algebras. These tensors have applications in the study of the Hamiltonian structures of various integrable non linear models, among them the $O(3)$-chiral field system and Landau-Lefshitz equation. As can be seen, these developpements make even more interesting than before the question about the equivalence between different bundles of the Lax pairs -- the elliptic one (usually considered) and the polynomial one, based on the new alternative Lie algebra structures.
[Béchir Dali (Bizerte)]

MSC 2000:: *53D17 Poisson manifolds
37K05 Hamiltonian structures, etc.
35Q58 Other completely integrable PDE

Keywords: Poisson manifolds; Hamiltonian structures; other completely integrable equation

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