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Ultrafilters (with dense elements) over closure spaces

par Hinnion, Roland
Référence Reports on Mathematical Logic, 47, page (115-124)
Publication Publié, 2012

Article révisé par les pairs

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Résumé :

Several notions and results that are useful for directed sets (and their applications) can be extended to the more general context of closure spaces; inter alia the so-called "finite intersection property" and the existence of special ultrafilters (namely ultrafilters which elements are dense) on such structures.