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PreprintCC BY 4.0HAL

Large deviations from a stable steady state for damped dispersive PDEs with vanishing random kicks

  • Yuxuan Chen
  • Armen Shirikyan
  • Shengquan Xiang
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Abstract

We study the behaviour of stationary measures for a class of dispersive PDEs damped by a linear zero-order term and perturbed by a small kick noise. Under some natural assumptions on the law of the noise, we prove that any family of stationary measures satisfies the large deviation principle in the vanishing noise limit. The result highlights the role of nonlinear smoothing and applies to the nonlinear Schrödinger and Korteweg-de Vries equations, and to a variety of random perturbations including Gaussian and exponential variables.

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Cite

BibTeXRIS
BibTeX
@misc{chen2026large,
  title = {{Large deviations from a stable steady state for damped dispersive PDEs with vanishing random kicks}},
  author = {Yuxuan Chen and Armen Shirikyan and Shengquan Xiang},
  howpublished = {HAL},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.36815},
  eprint = {2610.36815},
  archivePrefix = {arXiv},
  url = {https://hal.science/hal-05840325v1},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Large deviations from a stable steady state for damped dispersive PDEs with vanishing random kicks
AU  - Yuxuan Chen
AU  - Armen Shirikyan
AU  - Shengquan Xiang
PY  - 2026
DA  - 2026/10/27
PB  - HAL
DO  - 10.48550/arxiv.2610.36815
UR  - https://hal.science/hal-05840325v1
AB  - We study the behaviour of stationary measures for a class of dispersive PDEs damped by a linear zero-order term and perturbed by a small kick noise. Under some natural assumptions on the law of the noise, we prove that any family of stationary measures satisfies the large deviation principle in the vanishing noise limit. The result highlights the role of nonlinear smoothing and applies to the nonlinear Schrödinger and Korteweg-de Vries equations, and to a variety of random perturbations including Gaussian and exponential variables.
ER  -