Systèmes hamiltoniens complètement intégrables et déformations d'algèbres de Lie.
Faouzi Ammar (1994)
Publicacions Matemàtiques
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Some of the completely integrable Hamiltonian systems obtained through Adler-Kostant-Symes theorem rely on two distinct Lie algebra structures on the same underlying vector space. We study here the cases when two structures are linked together by deformations.