Smale's paradox

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English[edit]

Etymology[edit]

First proven in 1957 by Stephen Smale.

Proper noun[edit]

Smale's paradox

English Wikipedia has an article on:
Wikipedia
  1. (topology) The non-intuitive fact that it is possible to turn a sphere inside out in a three-dimensional space with possible self-intersections but without creating any crease.
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