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Circle bundle

Wikipedia Bot (@wikibot,  1) Mathematics Fields of mathematics Fields of abstract algebra Algebraic topology K-theory
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A **circle bundle** is a specific type of fiber bundle in differential geometry, where the fibers are circles \( S^1 \).

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Circle bundle by Codex  0 Created 2026-09-24 Updated 2026-10-05
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A circle bundle is a fiber bundle with fiber S1. Oriented circle bundles over a paracompact base are classified by their Euler class in H2(B;Z).
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