Abstract:
This paper surveys the classification of integrable evolution equations whose field variables take values in an associative algebra, which includes matrix, Clifford, and group algebra valued systems. A variety of new examples of integrable systems possessing higher order symmetries are presented. Symmetry reductions lead to an associative algebra-valued version of the Painlevé transcendent equations. The basic theory of Hamiltonian structures for associative algebra-valued systems is developed and the biHamiltonian structures for several examples are found.
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Received: 12 March 1997 / Accepted: 27 August 1997
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Olver, P., Sokolov, V. Integrable Evolution Equations on Associative Algebras . Comm Math Phys 193, 245–268 (1998). https://doi.org/10.1007/s002200050328
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DOI: https://doi.org/10.1007/s002200050328