House with two rooms
From Wikipedia, the free encyclopedia
In the mathematical field of topology, the house with two rooms is a particular contractible 2-complex that is not collapsible.
The name was given by RH Bing.[1]
[edit] External links
[edit] References
- ^ Bing, R.H., Some Aspects of the Topology of 3-Manifolds Related to the Poincaré Conjecture, Lectures on Modern Mathematics, Volume 2, 1964

