On the radius of spatial analyticity for the Majda-Biello and Hirota-Satsuma systems
Analysis of PDEs
2026-03-05 v2
Abstract
We investigate the persistence of spatial analyticity for solutions to the Majda-Biello and Hirota-Satsuma systems with analytic initial data. This result is the first to establish analyticity persistence in such coupled KdV systems.
Keywords
Cite
@article{arxiv.2509.21095,
title = {On the radius of spatial analyticity for the Majda-Biello and Hirota-Satsuma systems},
author = {Seongyeon Kim and Ihyeok Seo},
journal= {arXiv preprint arXiv:2509.21095},
year = {2026}
}
Comments
To appear in J. Math. Anal. Appl., 16 pages