Algebra, Logic and Topology

 

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Author(s)
Isar Stubbe;

Title
More on Q-modules

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 sheaf-equivalence, using a recent observation of B. Mesablishvili and the notion of 'centre' of a quantaloid.

Preprint series
Pré-publicações do Departamento de Matemática da Universidade de Coimbra

Issue
06-13

Year
2006

 
     
 

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