Lagrangian 3-form structure for the Darboux system and the KP hierarchy

Lagrangian Multiforms for Kadomtsev–Petviashvili (KP) and the Gelfand–Dickey Hierarchy

(2021) Duncan Sleigh et al.   INTERNATIONAL MATHEMATICS RESEARCH NOTICES

A variational approach to Lax representations

(2019) Duncan Sleigh et al.   JOURNAL OF GEOMETRY AND PHYSICS

Variational symmetries and Lagrangian multiforms

(2019) Duncan Sleigh et al.   LETTERS IN MATHEMATICAL PHYSICS

Linear integral equations, infinite matrices, and soliton hierarchies

(2018) Wei Fu et al.   JOURNAL OF MATHEMATICAL PHYSICS

Direct linearizing transform for three-dimensional discrete integrable systems: the lattice AKP, BKP and CKP equations

(2017) Wei Fu et al.   PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES

Discrete Pluriharmonic Functions as Solutions of Linear Pluri-Lagrangian Systems

(2014) A. I. Bobenko et al.   COMMUNICATIONS IN MATHEMATICAL PHYSICS

What is integrability of discrete variational systems?

(2013) R. Boll et al.   PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES

Variational formulation of commuting Hamiltonian flows: Multi-time Lagrangian 1-forms

(2013) Yuri B. Suris   Journal of Geometric Mechanics

Discrete-time Calogero–Moser system and Lagrangian 1-form structure

(2011) Sikarin Yoo-Kong et al.   Journal of Physics A-Mathematical and Theoretical

Lagrangian multiforms and multidimensional consistency

(2009) Sarah Lobb et al.   Journal of Physics A-Mathematical and Theoretical

Lagrangian multiform structure for the lattice KP system

(2009) S B Lobb et al.   Journal of Physics A-Mathematical and Theoretical