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Title: More on Q-modules
Authors: Stubbe, Isar 
Keywords: Quantaloid; Quantale; Locale; Ordered sheaf; Module; Centre
Issue Date: 2006
Publisher: Centro de Matemática da Universidade de Coimbra
Citation: Pré-Publicações DMUC. 06-13 (2006)
Abstract: A. Joyal and M. Tierney showed that the internal suplattices in the topos of sheaves on a locale are precisely the modules on that locale. Using a totally different technique, I shall show a generalization of this result to the case of (ordered) sheaves on a (small) quantaloid. Then I make a comment on module-equivalence versus sheafequivalence, using a recent observation of B. Mesablishvili and the notion of ‘centre’ of a quantaloid.
Rights: openAccess
Appears in Collections:FCTUC Matemática - Vários

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