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math.AP2010★ 2 cited
On the orbital stability of standing-waves solutions to a coupled non-linear Klein-Gordon equation
Daniele Garrisi
We consider a system of two coupled non-linear Klein-Gordon equations. We show the existence of standing waves solutions and the existence of a Lyapunov function for the ground sta…
math.AP2010
Energy estimated frequencies of standing-wave solutions to non-linear Klein-Gordon systems in higher dimension
Daniele Garrisi
In this work a system of non-linear elliptic equations is considered, where the non-linear term is the sum of a quadratic form and a Sobolev sub-critical term. An extra assumption…