In this paper we review a recently introduced method for solving the Hamilton-Jacobi equations by the method of Separation of Variables. This method is based on the notion of pencil of Poisson brackets and on the bihamiltonian approach to integrable systems. We discuss how separability conditions can be intrinsically characterized within such a geometrical set-up, the definition of the separation coordinates being encompassed in the bihamiltonian structure itself. We finally discuss these constructions studying in details a particular example, based on a generalization of the classical Toda Lattice. © 2011 Pleiades Publishing, Ltd.
Falqui, G., Pedroni, M. (2011). Poisson Pencils, Algebraic Integrability, and Separation of Variables. REGULAR & CHAOTIC DYNAMICS, 16(3-4), 223-244 [10.1134/S156035471103004X].
Poisson Pencils, Algebraic Integrability, and Separation of Variables
FALQUI, GREGORIO;
2011
Abstract
In this paper we review a recently introduced method for solving the Hamilton-Jacobi equations by the method of Separation of Variables. This method is based on the notion of pencil of Poisson brackets and on the bihamiltonian approach to integrable systems. We discuss how separability conditions can be intrinsically characterized within such a geometrical set-up, the definition of the separation coordinates being encompassed in the bihamiltonian structure itself. We finally discuss these constructions studying in details a particular example, based on a generalization of the classical Toda Lattice. © 2011 Pleiades Publishing, Ltd.
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