Poisson brackets of mappings obtained as (q,-p) reductions of lattice equations
arXiv:1608.08010 · doi:10.1134/S1560354716060083
Abstract
In this paper, we present Poisson brackets of certain classes of mappings obtained as general periodic reductions of integrable lattice equations. The Poisson brackets are derived using the so called Ostrogradsky transformation.
14 pages, 1 figure