In this note, we prove a characterization of reexive Banach spaces with unconditional basis and study the set theoretical complexity of certain sets associated to linear bounded operators acting on reexive separable Banach space
summary:A Banach space $X$ is called {\it $r$-reflexive\/} if for any cover $\Cal U$ of $X$ by weakl...
summary:We observe that a separable Banach space $X$ is reflexive iff each of its quotients with Sc...
summary:We observe that a separable Banach space $X$ is reflexive iff each of its quotients with Sc...
summary:We observe that a separable Banach space $X$ is reflexive iff each of its quotients with Sc...
We prove that the dual or any quotient of a separable reflexive Banach space with the unconditional ...
AbstractThe present paper studies in detail necessary and sufficient conditions for a subspace of a ...
It is proved that a Banach space E is non-reflexive if and only if E has a closed cone with an unb...
The main result of this paper is the following: a separate Banach space X is reflexive if and only i...
Abstract 1 Let X be a Banach space with a basis. We prove that X is reflexive if and only if every p...
A cone K in a vector space X is a subset which is closed under addition, positive scalar multiplicat...
Kottman [9] has proved that any $P$-convex Banach space $X$ is reflexive. In the case when $X$ is a ...
An essential part of the work is devoted to the study of the sets of Fréchet subdi erentiability fro...
AbstractThe new idea that is used in this article for producing non-trivial (closed) invariant subsp...
The purpose of this talk is twofold. In the first part (sections 1-4) I will briefly describe the no...
AbstractLet X be a Banach space with a basis. We prove the following characterizations: (i)X is fini...
summary:A Banach space $X$ is called {\it $r$-reflexive\/} if for any cover $\Cal U$ of $X$ by weakl...
summary:We observe that a separable Banach space $X$ is reflexive iff each of its quotients with Sc...
summary:We observe that a separable Banach space $X$ is reflexive iff each of its quotients with Sc...
summary:We observe that a separable Banach space $X$ is reflexive iff each of its quotients with Sc...
We prove that the dual or any quotient of a separable reflexive Banach space with the unconditional ...
AbstractThe present paper studies in detail necessary and sufficient conditions for a subspace of a ...
It is proved that a Banach space E is non-reflexive if and only if E has a closed cone with an unb...
The main result of this paper is the following: a separate Banach space X is reflexive if and only i...
Abstract 1 Let X be a Banach space with a basis. We prove that X is reflexive if and only if every p...
A cone K in a vector space X is a subset which is closed under addition, positive scalar multiplicat...
Kottman [9] has proved that any $P$-convex Banach space $X$ is reflexive. In the case when $X$ is a ...
An essential part of the work is devoted to the study of the sets of Fréchet subdi erentiability fro...
AbstractThe new idea that is used in this article for producing non-trivial (closed) invariant subsp...
The purpose of this talk is twofold. In the first part (sections 1-4) I will briefly describe the no...
AbstractLet X be a Banach space with a basis. We prove the following characterizations: (i)X is fini...
summary:A Banach space $X$ is called {\it $r$-reflexive\/} if for any cover $\Cal U$ of $X$ by weakl...
summary:We observe that a separable Banach space $X$ is reflexive iff each of its quotients with Sc...
summary:We observe that a separable Banach space $X$ is reflexive iff each of its quotients with Sc...
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