2 problems

Let $\{K_n\subset\mathbb{R}^2\}_{n=1}^\infty$ be a sequence of compact sets satisfying … Let $\psi_{2n}$ and $\psi_{2n-1}$ denote the even- and odd-order finite rogue waves, and le…

Let $(x_0,t_0)$ be a point of gradient catastrophe for the focusing nonlinear Schrödinger equation, and consider a nongeneric gradient catastrophe, meaning that more than one new m…