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Weak fiber products in bicategories of fractions
Tommasini, Matteo
2014
 

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Keywords :
bicategories of fractions; weak fiber products; weak pullbacks; stacks
Abstract :
[en] We fix any pair (C,W) consisting of a bicategory and a class of morphisms in it, admitting a bicalculus of fractions, i.e. a “localization” of C with respect to the class W. In the resulting bicategory of fractions, we identify necessary and sufficient conditions for the existence of weak fiber products.
Disciplines :
Mathematics
Author, co-author :
Tommasini, Matteo ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Mathematics Research Unit
Language :
English
Title :
Weak fiber products in bicategories of fractions
Publication date :
2014
Number of pages :
60
Funders :
FNR - Fonds National de la Recherche [LU]
Available on ORBilu :
since 12 December 2014

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