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most citedLong-time asymptotics of the damped nonlinear Klein-Gordon equation with a delta potential

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math.AP2026

Long-time asymptotics of (1,3)-sign solitary waves for the damped nonlinear Klein-Gordon equation

Kenjiro Ishizuka

We consider the damped nonlinear Klein-Gordon equation: \begin{align*} \partial_{t}^2u-Δu+2α\partial_{t}u+u-|u|^{p-1}u=0, \ & (t,x) \in \mathbb{R} \times \mathbb{R}^d, \end{align*}…