Quasi-pseudometric properties of the Nikodym-Saks space
DOI:
https://doi.org/10.4995/agt.2003.2029Keywords:
Quasi-pseudometric space, Nikodym-Saks spaceAbstract
For a non-negative finite countably additive measure μ defined on the σ-field Σ of subsets of Ω, it is well known that a certain quotient of Σ can be turned into a complete metric space Σ (Ω), known as the Nikodym-Saks space, which yields such important results in Measure Theory and Functional Analysis as Vitali-Hahn-Saks and Nikodym's theorems. Here we study some topological properties of Σ (Ω) regarded as a quasi-pseudometric space.
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