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math-ph2016★ 5 cited
Remarks on the Lagrangian representation of bi-Hamiltonian equations
M. V. Pavlov, R. F. Vitolo
The Lagrangian representation of multi-Hamiltonian PDEs has been introduced by Y. Nutku and one of us (MVP). In this paper we focus on systems which are (at least) bi-Hamiltonian b…
math-ph2015★ 18 cited
Towards the classification of homogeneous third-order Hamiltonian operators
E. V. Ferapontov, M. V. Pavlov, R. F. Vitolo
Let be a vector space of dimension . We demonstrate that -component third-order Hamiltonian operators of differential-geometric type are parametrised by the algebraic v…