Remark on single exponential bound of the vorticity gradient for the two-dimensional Euler flow around a corner

Tsubasa Itoh, Hideyuki Miura, Tsuyoshi Yoneda

In this paper, the two dimensional Euler flow under a simple symmetry condition with hyperbolic structure in a unit square $D=\{(x_1,x_2):0<x_1+x_2<\sqrt{2},0<-x_1+x_2<\sqrt{2}\}$…