Schatten-von Neumann properties in the Weyl calculus

Ernesto Buzano, Joachim Toft

Let $\Op_t(a)$, for $t\in \mathbf{R}$, be the pseudo-differential operator $$ f(x) \mapsto (2π)^{-n}\iint a((1-t)x+ty,ξ)f(y)e^{i\scal {x-y}ξ} dydξ$$ and let ${\mathcal{I}}_p$ be the se…