Pseudo-Differential Operators in $F_{p,q}^s$-Spaces

Abstract

If $a(x,\xi )\in S_{1,\delta }^0$ $0\le \delta <1$, then the pseudo-differential operator $a(x,D)$ is continuous in $F_{p,q}^s$, where $–\infty <s<\infty$ and either $0<p<\infty ,0<q\le \infty$ or $p=q=\infty$.