Description and classification of 2-solitary waves for nonlinear damped Klein-Gordon equations

Raphaël Côte, Yvan Martel, Xu Yuan +1

We describe completely 2-solitary waves related to the ground state of the nonlinear damped Klein-Gordon equation \begin{equation*} \partial_{tt}u+2α\partial_{t}u-Δu+u-|u|^{p-1}u=0…