On the Lagrangian and Hamiltonian aspects of infinite -dimensional dynamical systems and their finite-dimensional reductions

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dc.creatorPrykarpatsky, Yarema A.
dc.creatorSamoilenko, Anatoliy M.
dc.date2004-06-27
dc.date2004-07-01
dc.date.accessioned2026-07-07T05:09:44Z
dc.date.available2026-07-07T05:09:44Z
dc.descriptionA description of Lagrangian and Hamiltonian formalisms naturally arisen from the invariance structure of given nonlinear dynamical systems on the infinite--dimensional functional manifold is presented. The basic ideas used to formulate the canonical symplectic structure are borrowed from the Cartan's theory of differential systems on associated jet--manifolds. The symmetry structure reduced on the invariant submanifolds of critical points of some nonlocal Euler--Lagrange functional is described thoroughly for both differential and differential discrete dynamical systems. The Hamiltonian representation for a hierarchy of Lax type equations on a dual space to the Lie algebra of integral-differential operators with matrix coefficients, extended by evolutions for eigenfunctions and adjoint eigenfunctions of the corresponding spectral problems, is obtained via some special Backlund transformation. The connection of this hierarchy with integrable by Lax spatially two-dimensional systems is studied.
dc.description30 pages
dc.identifierhttps://arxiv.org/abs/math/0406554
dc.identifierhttp://arxiv.org/abs/math/0406554
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/71692
dc.subjectSymplectic Geometry
dc.subjectDynamical Systems
dc.subject35B24;58F12
dc.titleOn the Lagrangian and Hamiltonian aspects of infinite -dimensional dynamical systems and their finite-dimensional reductions
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