English

On the decay estimate for small solutions to nonlinear Klein-Gordon equations with dissipative structure

Analysis of PDEs 2025-02-11 v1

Abstract

We consider the Cauchy problem for cubic nonlinear Klein-Gordon equations in one space dimension. We give the LpL^p-decay estimate for the small data solution and show that it decays faster than the free solution if the cubic nonlinearity has the suitable dissipative structure.

Keywords

Cite

@article{arxiv.2410.00478,
  title  = {On the decay estimate for small solutions to nonlinear Klein-Gordon equations with dissipative structure},
  author = {Yoshinori Nishii},
  journal= {arXiv preprint arXiv:2410.00478},
  year   = {2025}
}

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17 pages