Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
1995-12-20
J. Math. Phys., 1996, V. 37, p. 3982-3996.
Nonlinear Sciences
Exactly Solvable and Integrable Systems
22 pages, LaTeX, revised version (the third lattice discretized now!)
Scientific paper
10.1063/1.531611
Discretizations of the Bogoyavlensky lattices are introduced, belonging to the same hierarchies as the continuous--time systems. The construction exemplifies the general scheme for integrable discretization of systems on Lie algebras with $r$--matrix Poisson brackets. An initial value problem for the difference equations is solved in terms of a factorization problem in a group. Interpolating Hamiltonian flow is found.
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