41 citations · 47 across the 13 of their papers we have counts for
16 papers
Trimming the Johnson bonsai
Félix Cabello Sánchez, Jesús M. F. Castillo, Yolanda Moreno
We show that if every subspace of is an -sum of separable subspaces of , and we provide examples of subspaces of for that…
On Disjointly singular centralizers
Jesús M. F. Castillo, Wilson Cuellar, Valentin Ferenczi +1
We study ``disjoint" versions of the notions of trivial, locally trivial, strictly singular and super-strictly singular quasi-linear maps in the context of Köthe function spaces. A…
On the bounded approximation property on subspaces of when and related issues
Félix Cabello Sánchez, Jesús M. F. Castillo, Yolanda Moreno
This paper studies the bounded approximation property (BAP) in quasi Banach spaces. In the first part of the paper we show that the kernel of any surjective operator …
1-complemented subspaces of Banach spaces of universal disposition
Jesús M. F. Castillo, Yolanda Moreno
We first unify all notions of partial injectivity appearing in the literature ---(universal) separable injectivity, (universal) -injectivity --- in the notion of -i…
Banach spaces of almost universal complemented disposition
Jesús M. F. Castillo, Yolanda Moreno
We introduce and study the notion of space of almost universal complemented disposition (a.u.c.d.) as a generalization of Kadec space. We show that every Banach space with separabl…
On the classification of positions and of complex structures in Banach spaces
Razvan Anisca, Valentin Ferenczi, Yolanda Moreno
A topological setting is defined to study the complexities of the relation of equivalence of embeddings (or "position") of a Banach space into another and of the relation of isomor…