Up: The Projective Plane

The Crosscap

The Crosscap is an image of the real projective plane. It has a segment of double points, which terminates in two "pinch points", or Whitney singularities.

Still pictures
MPEG movies
Interactive pictures
Data files. Not yet available.

Up: The Projective Plane
The Geometry Center Home Page
Topological Zoo Welcome Page

Comments to: webmaster@geom.umn.edu
Created: Jun 27 1995 ---- Last modified: Tue Oct 10 21:52:54 1995
Copyright © 1995 by The Geometry Center, all rights reserved