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    • Article
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      Cellular covers of local groups 

      Flores Díaz, Ramón Jesús; Scherer, Jérôme (Springer, 2018-12)
      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.
    • Article
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      Cellular properties of nilpotent spaces 

      Chachólski, Wojciech; Farjoun, Emmanuel Dror; Flores Díaz, Ramón Jesús; Scherer, Jérôme (Mathematical Sciences Publishers, 2015-10)
      We show that cellular approximations of nilpotent Postnikov stages are always nilpotent Postnikov stages, in particular ...