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Klein bottle

Ciro Santilli (@cirosantilli, 37) ... Area of mathematics Calculus Topology Homotopy Generalized Poincaré conjecture Classification of closed surfaces
Updated 2025-07-16  1 By others on same topic  0 Discussions Create my own version
sphere with two Möbius strips stuck into it as per the classification of closed surfaces.

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  1. Classification of closed surfaces
  2. Generalized Poincaré conjecture
  3. Homotopy
  4. Topology
  5. Calculus
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Klein bottle by Wikipedia Bot 0
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A Klein bottle is a non-orientable surface with no distinct "inside" or "outside." It is a mathematical object in topology, a branch of mathematics concerned with the properties of space that are preserved under continuous transformations.
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