delooping of an infinite countable group

Notation BGBG Objects a single object * Morphisms the elements of an infinite countable group GG Parent BGBG Related BNB\IN External nLab Link

This is the special case of BGBG where GG is an infinite countable group GG (such as G=ZG = \IZ).

Satisfied Properties

Assigned properties

Deduced properties

Unsatisfied Properties

Assigned properties

Deduced properties*

*This also uses the deduced satisfied properties.

Unknown properties

Special objects

Special morphisms

  • isomorphisms: every morphism
  • monomorphisms: every morphism
  • epimorphisms: every morphism
  • regular monomorphisms: same as isomorphisms
  • regular epimorphisms: same as isomorphisms