The structure of extended real-valued quasi-metric spaces

dc.contributor.authorMatindih, Levy Kahyata
dc.date.accessioned2020-12-08T07:57:20Z
dc.date.available2020-12-08T07:57:20Z
dc.date.issued2018
dc.descriptionThesisen
dc.description.abstractAn extended quasi-metric q on a nonempty set X without any assumed structure is a distance functional that satis es the usual properties of a quasi-metric except that it can assume values of in nity, in addition to non-negative real values. Given a quasi-metrizable space X we exhibit a universal space for all extended quasi-metric spaces compatible with the asymmetric topologies of X. De ning a set in an extended quasi-metric space (X; q) to be bounded if it is contained in an intersection of the left-q and right-q open (or closed)-balls, we characterize these kinds of bornologies on X and, obtain necessary and su cient conditions in order for the same bornologies to be realized as those for quasi-metrically bounded sets. We also consider in this setting a second possible de nition of bounded sets involving quasicomponents. Keywords: Quasi-metric, Extended real-valued quasi-metric, uniform equivalent quasimetrics, Bounded set, Partial function, Bornology, Quasi-metric bornology, Quasi isometry, Free union bitopology, Generalized Hus Theorem.en
dc.identifier.urihttp://dspace.unza.zm/handle/123456789/6701
dc.language.isoenen
dc.publisherThe University of Zambiaen
dc.subjectQuasi-metric--Zambiaen
dc.subjectQuasi isometryen
dc.titleThe structure of extended real-valued quasi-metric spacesen
dc.typeThesisen
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