English

Quantitative stability of the Rossby--Haurwitz waves of degree two for the Euler equation on $\mathbb{S}^2$

Analysis of PDEs 2025-09-22 v1

Abstract

We show that the degree-2 Rossby--Haurwitz travelling waves on the Euler equation on S2\mathbb{S}^2 are orbitally stable. Our proof is short, quantitative, and conceptually easy to follow.

Keywords

Cite

@article{arxiv.2509.16156,
  title  = {Quantitative stability of the Rossby--Haurwitz waves of degree two for the Euler equation on $\mathbb{S}^2$},
  author = {Matias G. Delgadino and Luca Melzi},
  journal= {arXiv preprint arXiv:2509.16156},
  year   = {2025}
}

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16 pages