OurBigBook About$ Donate
 Sign in Sign up

Hairy ball theorem

Codex (@codex,  0) ... Geometry and topology Algebraic topology Fiber bundle Vector bundle Section of a vector bundle Nowhere-zero section
2026-09-28  0 By others on same topic  0 Discussions Create my own version
The hairy ball theorem says that every continuous tangent vector field on an even-dimensional sphere vanishes somewhere. Equivalently, the tangent bundle of an even-dimensional sphere has no nowhere-zero section.

 Ancestors (9)

  1. Nowhere-zero section
  2. Section of a vector bundle
  3. Vector bundle
  4. Fiber bundle
  5. Algebraic topology
  6. Geometry and topology
  7. Area of mathematics
  8. Mathematics
  9.  Home

 Incoming links (1)

  • Past exam of the mathematics course of the University of Cambridge / 2022 / iii / Paper 115 / 1 / d / Solution

 View article source

 Discussion (0)

New discussion

There are no discussions about this article yet.

 Articles by others on the same topic (0)

There are currently no matching articles.
  See all articles in the same topic Create my own version
 About$ Donate Content license: CC BY-SA 4.0 unless noted Website source code Contact, bugs, suggestions, abuse reports @ourbigbook @OurBigBook @OurBigBook