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Title: On the categorical meaning of Hausdorff and Gromov distances, I
Authors: Akhvlediani, Andrei 
Clementino, Maria Manuel 
Tholen, Walter 
Issue Date: 2009
Publisher: Centro de Matemática da Universidade de Coimbra
Citation: Pré-Publicações DMUC. 09-01 (2009)
Abstract: Hausdor and Gromov distances are introduced and treated in the context of categories enriched over a commutative unital quantale V. The Hausdor functor which, for every V-category X, provides the powerset of X with a suitable V-category structure, is part of a monad on V-Cat whose Eilenberg-Moore algebras are order-complete. The Gromov construction may be pursued for any endofunctor K of V-Cat. In order to de ne the Gromov \distance" between V-categories X and Y we use V-modules between X and Y , rather than V-category structures on the disjoint union of X and Y . Hence, we rst provide a general extension theorem which, for any K, yields a lax extension ~K to the category V-Mod of V-categories, with V-modules as morphisms.
Rights: openAccess
Appears in Collections:FCTUC Matemática - Vários

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