2 problems

The technical-loss conjecture. For every $k_0>0$ and $s\in\mathbb R$, there is $C>0$ such that, for all $N>0$, $k>k_0$, and $0<\epsilon<1$,

Let $E$ be the linear operator in the layer-potential system for the unknown densities $[\eta;\xi]$, where $\eta=[\tau;-\sigma]$, and let $(\omega,a,b)$ denote the frequency and qu…