On abstract and almost-abstract density topologies |
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Authors: | J Hejduk A Loranty |
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Institution: | 1.Faculty of Mathematics and Computer Science,?ód? University,?ód?,Poland |
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Abstract: | We concentrate on topologies generated by lower and almost-lower density operators on measurable spaces. Among others the existence of the smallest in the sense of inclusion abstract density topology on measurable space is investigated. Moreover, the separation axioms for such topologies are studied. |
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