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1. 

   Epimorphisms of metric frames

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bernhard Banaschewski Aleš Pultr

   This paper deals with several aspects of epimorphisms in the category MFrm of metric frames and contractive homomorphisms. In particular, it is shown that i. the epicomplete metric frames are uniquely determined by the power-set lattices of sets,...

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2. 

   Effective descent morphisms of ordered families

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Maria Manuel Clementino --- University of Coimbra, CMUC, Portugal Rui Prezado --- University of Coimbra, CMUC, Portugal

   We present a characterization of effective descent morphisms in the lax comma category Ord//X when X is a locally complete ordered set, as well as in the antisymmetric setting.

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