Characteristic Lie rings, finitely-generated modules and integrability conditions for 2+1 dimensional lattices

Authors :: Habibullin, Ismagil
Publication Year :: 2012
Abstract: Characteristic Lie rings for Toda type 2+1 dimensional lattices are defined. Some properties of these rings are studied. Infinite sequence of special kind modules are introduced. It is proved that for known integrable lattices these modules are finitely generated. Classification algorithm based on this observation is briefly discussed.<br />Comment: 11 pages

Subjects :: Nonlinear Sciences - Exactly Solvable and Integrable Systems
35Q99

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