KAM for the nonlinear beam equation - Eliasson, L. Hakan; Grébert, Benoît; Kuksin, Sergei B. (Geometric and functional analysis, 2016)
Keywords: Analysis; Analysis of PDEs; Invariants; Mathematics; Mathematics and Statistics; Nonlinear equations; Toruses; Hamiltonian systems; Beam equation; KAM theory; hamiltonian systems