An integrable multicomponent quad-equation and its Lagrangian formulation

DOI10.1007/s11232-012-0138-yzbMath1338.37109arXiv1204.5521OpenAlexW2048998784MaRDI QIDQ393981

James R. Atkinson, Sarah B. Lobb, Frank W. Nijhoff

Publication date: 24 January 2014

Published in: Theoretical and Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1204.5521

zbMATH Keywords

variational principlereductionintegrable systemdiscrete equationLagrange formulation

Mathematics Subject Classification ID

Completely integrable infinite-dimensional Hamiltonian and Lagrangian systems, integration methods, integrability tests, integrable hierarchies (KdV, KP, Toda, etc.) (37K10) KdV equations (Korteweg-de Vries equations) (35Q53) Discrete version of topics in analysis (39A12) Lagrangian formalism and Hamiltonian formalism in mechanics of particles and systems (70S05) Lattice dynamics; integrable lattice equations (37K60)

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