Results 11 to 20 of about 50 (47)

Iterates of increasing linear operators, via Maia\u27s fixed point theorem [PDF]

, 2015
Let X be a Banach lattice. In this paper we give conditions in which an increasing linear operator, A : X ! X is weakly Picard operator (see I.A. Rus, Picard operators and applications, Sc. Math. Japonicae, 58(2003), No. 1, 191-219).
RUS, Ioan A.
core  

The essential norm of bounded diagonal infinite matrices acting on Banach sequence spaces

Demonstratio Mathematica
We calculate the essential norm of bounded diagonal infinite matrices acting on Köthe sequence spaces. As a consequence of our result, we obtain a recent criteria for the compactness of multiplication operator acting on Köthe sequence spaces.
Fernández Julio C. Ramos, Rivera-Sarmiento María A., Salas-Brown Margot   +2 more
doaj   +1 more source

The class of Banach lattices is not primary

Forum of Mathematics, Sigma
Building on a recent construction of Plebanek and Salguero-Alarcón, which solved the Complemented Subspace Problem for $C(K)$ -spaces, and the subsequent work of De Hevia, Martínez-Cervantes, Salguero-Alarcón, and Tradacete solving the Complemented
Antonio Acuaviva
doaj   +1 more source

Some results on disjointly weakly compact sets

Demonstratio Mathematica
We give an operator characterization of disjointly weakly compact sets and show that disjointly weakly compact sets coincide with reciprocal Dunford-Pettis sets.
Akay Barış, Gök Ömer
doaj   +1 more source

Continuity and essential norm of operators defined by infinite tridiagonal matrices in weighted Orlicz and l∞ spaces

Open Mathematics
In this article, we provide a comprehensive study on the continuity and essential norm of an operator defined by an infinite tridiagonal matrix, specifically when it operates from a weighted Orlicz sequence space or a weighted l∞{l}^{\infty } space into ...
Ramos-Fernández Julio C., Ramos-Salas Carlos J., Salas-Brown Margot   +2 more
doaj   +1 more source

Maximal function and generalized fractional integral operators on the weighted Orlicz-Lorentz-Morrey spaces

Open Mathematics
We define the weighted Orlicz-Lorentz-Morrey and weak weighted Orlicz-Lorentz-Morrey spaces to generalize the Orlicz spaces, the weighted Lorentz spaces, the Orlicz-Lorentz spaces, and the Orlicz-Morrey spaces.
Li Hongliang
doaj   +1 more source

A Characterization of l1+(Γ)

, 2004
This article is dedicated to the memory of my friend and collaborator, Yuri A bramovich.Abstract unavailable at this time... Mathematics Subject Classification (2000): 46B3, 46B10, 46B42, 46A55.Key words: Cones, bases for cones, quasi-interior points ...
Polyrakis, Ioannis A.
core  

Should Prediabetes be Treated Pharmacologically? [PDF]

Diabetes Ther, 2023
Davidson MB.
europepmc   +1 more source

Haar null closed and convex sets in separable Banach spaces. [PDF]

Bull Lond Math Soc, 2023
Ravasini D.
europepmc   +1 more source

Free Banach lattices under convexity conditions. [PDF]

Rev R Acad Cienc Exactas Fis Nat A Mat, 2022
Jardón-Sánchez H, Laustsen NJ, Taylor MA, Tradacete P, Troitsky VG.   +4 more
europepmc   +1 more source