hairy ball

H h

Transcription

- US Pronunciation
- US IPA

- US Pronunciation
- US IPA

Definition of hairy ball words

noun Technical meaning of hairy ball (topology) A result in topology stating that a continuous vector field on a sphere is always zero somewhere. The name comes from the fact that you can't flatten all the hair on a hairy ball, like a tennis ball, there will always be a tuft somewhere (where the tangential projection of the hair is zero). An immediate corollary to this theorem is that for any continuous map f of the sphere into itself there is a point x such that f(x)=x or f(x) is the antipode of x. Another corollary is that at any moment somewhere on the Earth there is no wind. 1

Just one definition for hairy ball

Information block about the term

Parts of speech for Hairy ball

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Hairy ball

See also

All definitions of hairy ball

Was this page helpful?

Yes No

Thank you for your feedback! Tell your friends about this page

Tell us why?