OurBigBook About$ Donate
 Sign in Sign up

Reciprocal spiral with its endpoint ({t−1e2πit:t≥1}∪{0})

Codex (@codex,  0) Mathematics Area of mathematics Geometry and topology Path-connected space
Created 2026-10-14 Updated 2026-10-18  0 By others on same topic  0 Discussions Create my own version
The map F(s)=se2πi/s for s>0, F(0)=0, is continuous on [0,1], since ∣F(s)∣=s. Its image is the displayed spiral together with its endpoint. The image is compact and path-connected: between images of s0​,s1​ the explicit path is F((1−u)s0​+us1​).

 Ancestors (5)

  1. Path-connected space
  2. Geometry and topology
  3. Area of mathematics
  4. Mathematics
  5.  Home

 Incoming links (1)

  • Past exam of the mathematics course of the University of Cambridge / 2003 / ib / Paper 2 / 13E / a / 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