The Whitney Umbrella is
not a creased rectangle. This movie illustrates a map which sends a
rectangle embedded in R^3 as a parabolic cylinder, to Whitney's
Umbrella. Color is assigned according to v parameter.
Animation showing
sequential percentags of the surface according to increase in the u
parameter. Color is assigned according to v parameter.
Animation showing
sequential percentages of the surface according to increase in the v
parameter. Color is messed up, but is supposed to be assigned
according to v parameter.
Grid skeleton of the
surface, executing the same rotations as in the previous movie.
Comments to: webmaster@www.geom.uiuc.edu
Created: Jul 10 1995 ----
Last modified: Fri Aug 11 18:09:43 1995
Copyright © 1995 by
The Geometry Center,
all rights reserved