Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Degree of a map

  1. Aug 21, 2008 #1
    Consider f: S1 -> S1: (cos 2 pi x, sin 2 pi x) -> (cos 2 k pi x, sin 2 k pi x).

    How to show directly from the homological definition (without using Hurewicz etc) that degree(f) = k?
     
  2. jcsd
  3. Aug 21, 2008 #2
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook