S. Lajara

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math.FA2025

Operators with the Kato property on Banach spaces

Mar Jiménez Sevilla, Sebastián Lajara López, Miguel Ángel Ruiz Risueño

We consider a class of bounded linear operators between Banach spaces, which we call operators with the Kato property, that includes the family of strictly singular operators betwe…

math.FA2018

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 $E^{*}$ such that $Z$ is norming for $X$ and $X$ is total over $Z$ (as well as $X$ is…