On the radius of spatial analyticity for the Majda-Biello and Hirota-Satsuma systems
Seongyeon Kim, Ihyeok Seo
公開日: 2025/9/25
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.