Transition threshold of Couette flow for 2D Boussinesq equations

Xiaoxia Ren, Wei Dongyi

In this paper, we prove the stability threshold of $\hat{I}\pm \le \frac{1}{3}$ for 2D Boussinesq equations around the Couette flow in $\mathbb{T}\times \mathbb{R}$ with Richardson number $γ^…