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

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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…