A class of summing operators acting in spaces of operators

J. Rodríguez, E. A. Sánchez-Pérez

Let $X$, $Y$ and $Z$ be Banach spaces and let $U$ be a subspace of $\mathcal{L}(X^{\ast },Y)$, the Banach space of all operators from $X^{\ast }$ to $Y$. An operator $S:U\to Z$ is said to be…