On Integrability of Discrete Variational Systems: Octahedron Relations

DOI10.1093/IMRN/RNV140zbMath1377.37094arXiv1406.0741OpenAlexW2962840838MaRDI QIDQ2796758

Raphael Boll, Matteo Petrera, Yuri Borisovich Suris

Publication date: 29 March 2016

Published in: International Mathematics Research Notices (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1406.0741

zbMATH Keywords

Euler-Lagrange equationsoctahedron relationcorner equationspluri-Lagrange problem

Mathematics Subject Classification ID

Completely integrable infinite-dimensional Hamiltonian and Lagrangian systems, integration methods, integrability tests, integrable hierarchies (KdV, KP, Toda, etc.) (37K10) Lattice dynamics; integrable lattice equations (37K60) PDEs on graphs and networks (ramified or polygonal spaces) (35R02)

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Discrete time Toda systems ⋮ Variational symmetries and pluri-Lagrangian structures for integrable hierarchies of PDEs

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