Name
haken — Does a triangulation represent a Haken 3-manifold?
Description
A haken element stores whether or not the parent
triangulation represents a Haken manifold; that is, whether it
contains an embedded closed incompressible surface.
This element should only be stored beneath triangulations that represent
closed, connected, orientable and irreducible 3-manifolds.
Parents
The following elements contain haken:
tri.
Children
Element haken has no children.
Attributes
value
Either T or F, according to
whether the parent triangulation does or does not represent a
Haken 3-manifold.
