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math.AP2010★ 3 cited
Stability of the line soliton of the KP-II equation under periodic transverse perturbations
Tetsu Mizumachi, Nikolay Tzvetkov
We prove the nonlinear stability of the KdV solitary waves considered as solutions of the KP-II equation, with respect to periodic transverse perturbations.
math.AP2010
N-soliton states of the FPU lattices
Tetsu Mizumachi
In this paper, we prove existence and uniqueness of solutions to the Fermi Pasta Ulam lattice equation that converge to a sum of co-propagating solitary waves as u…