most citedOn the Smoothness and Regularity of the Chess Billiard Flow and the Poincaré Problem

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math.AP2025

Evolution of internal waves in a 2D subcritical channel

Zhenhao Li, Jian Wang, Jared Wunsch

We study the long time evolution of internal waves in two dimensional subcritical channels with flat horizontal ends. We show the leading profiles of solutions are the outgoing sol…

math.AP2022★ 1 cited

On the Smoothness and Regularity of the Chess Billiard Flow and the Poincaré Problem

Sally Zhu, Zhenhao Li

The Poincaré problem is a model of two-dimensional internal waves in stable-stratified fluid. The chess billiard flow, a variation of a typical billiard flow, drives the formation…