Overtwisted Scherk
Karcher's twisted Scherk surfaces can be overtwisted : This way the surfaces still have helicoidal ends and are invariant under a screw motion, bt are not embedded anymore.
Overtwisted Scherk |
|
Karcher's twisted Scherk surfaces can be overtwisted : This way the surfaces still have helicoidal ends and are invariant under a screw motion, bt are not embedded anymore. |
See also: |
|