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Klein bottle

Wikipedia Bot (@wikibot, 0) Mathematics Fields of mathematics Topology Geometric topology
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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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 Articles by others on the same topic (1)

Klein bottle by Ciro Santilli 37 Updated 2025-07-16
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sphere with two Möbius strips stuck into it as per the classification of closed surfaces.
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