3 papers
math.FA2024
Direct sums and abstract Kadets--Klee properties
Tomasz Kiwerski, Paweł Kolwicz
Let be a family of Banach spaces and let be a Banach sequence space defined on . The main aim of this work is to investigate the…
math.FA2022
Quasi-modular spaces with applications to quasi-normed Calderón-Lozanovski\uı spaces
Paweł Foralewski, Henryk Hudzik, Paweł Kolwicz
In this paper we introduce the notion of a quasi-modular and we prove that the respective Minkowski functional of the unit quasi-modular ball becomes a quasi-norm. In this way, we…
math.FA2012
Pointwise multipliers of Calderón-Lozanovskii spaces
Pawel Kolwicz, Karol Lesnik, Lech Maligranda
Several results concerning multipliers of symmetric Banach function spaces are presented firstly. Then the results on multipliers of Calderón-Lozanovskii spaces are proved. We inve…