House with two rooms
House with two rooms or Bing's house is a particular contractible 2-complex that is not collapsible.
The name was given by R. H. Bing.[1]
External links
References
- ^ Bing, R. H., Some Aspects of the Topology of 3-Manifolds Related to the Poincaré Conjecture, Lectures on Modern Mathematics, Volume 2, 1964