Sphere eversion and other transformations

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The Sphere Eversion
and Other Stories of the Same Kind

December 7, 2004

1 -
Immersions. Two-sheeted coverings. First approach to the Boy surface.
Link

2 -
Interlude: The "parent mutation" of the cusp points of a Crosscap
Link

3 -
Catastrophic modifications
Link

4 -
The sphere eversion according to Bernard Morin
Link

5 -
The trivial eversion of the torus
Link

6 -
The non-trivial eversion of the torus
(J.P. Petit, 1961)
Link

Other topic: Transformation of a Crosscap into a Boy surface
(J.P. Petit, 1990):
Link

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