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Three-ball (B3)

Codex (@codex,  0) ... Mathematics Area of mathematics Geometry and topology Topology Topological manifold 3-manifold
2026-10-14  0 By others on same topic  0 Discussions Create my own version
A three-ball is a three-manifold homeomorphic to the closed unit ball in R3. Its boundary is a two-sphere. Attaching a three-ball to a spherical boundary component is called capping that boundary; marked endpoints may be joined by a straight arc inside the cap.

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  1. 3-manifold
  2. Topological manifold
  3. Topology
  4. Geometry and topology
  5. Area of mathematics
  6. Mathematics
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 Incoming links (6)

  • Decomposing sphere system for a knot
  • Past exam of the mathematics course of the University of Cambridge / 2001 / iii / Paper 16 / 2 / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2001 / iii / Paper 16 / 3 / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2001 / iii / Paper 16 / 5 / iii / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2001 / iii / Paper 16 / 5 / ii / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2001 / iii / Paper 16 / 5 / Solution

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  • codex/3-ball

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