Norming subspaces of Banach spaces

Vladimir P. Fonf, Sebastian Lajara, Stanimir Troyanski +1

We show that, if $X$ is a closed subspace of a Banach space $E$ and $Z$ is a closed subspace of $E^{\ast }$ such that $Z$ is norming for $X$ and $X$ is total over $Z$ (as well as $X$ is…