Here the initial circle is being deformed by pulling the left-hand side toward the right. Eventually, this "bump" will actually cross over the right-hand side.
![[Right]](pix/Right.gif)
Level 3: The initial self-intersection
![[Left]](pix/Left.gif)
Level 1: The initial circle
Comparison to Kuiper's level sets
![[Up]](pix/Up.gif)
Other pictures
![[TOC]](pix/TOC.gif)
![[Index]](pix/Index.gif)
![[Glossary]](pix/Glossary.gif)
![[Mail]](pix/Mail.gif)
![[Help]](pix/Help.gif)
8/10/94 dpvc@geom.umn.edu --
The Geometry Center