2 papers
math.AT2025
The plus construction with respect to subrings of the rationals
Guille Carrión Santiago, Ramón Flores, Jérôme Scherer
We construct explicit models of universal -acyclic spaces , for any subset of the prime numbers. The corresponding nullification functors prov…
math.AT2025
Bousfield-Kan completion and very large groups
Jaime Benabent Guerrero, Ramón Flores
We establish new criteria for the -badness of a space and apply it to the case of closed surfaces.