Opened Access Cellular covers of local groups

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Author: Flores Díaz, Ramón Jesús
Scherer, Jérôme
Department: Universidad de Sevilla. Departamento de Geometría y Topología
Date: 2018-12
Published in: Mediterranean Journal of Mathematics, 15 (229), 1-11.
Document type: Article
Abstract: We prove that, in the category of groups, the composition of a cellularization and a localization functor need not be idempotent. This provides a negative answer to a question of Emmanuel Dror Farjoun.
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DOI: 10.1007/s00009-018-1273-y

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