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What is this ecuation about?

  1. Sep 2, 2013 #1
    Hi everyone!! I am a physics passionate and recently I got a t-shirt as a present that looks like this:
    DSC_0124.jpg
    and I really want to know what is this ecuation about. I have done some research and I am almost sure that it's related to the General Relativity because of the Wikipedia's Relativity entry jeje but if someone could help me more I would really appreciate it!!

    Thanks :)
     
  2. jcsd
  3. Sep 2, 2013 #2
    Looks like the geodesic equation. Einstein summation convention is used in the Wikipedia article.
     
  4. Sep 2, 2013 #3
    thanks!! It looks similar to the ecuations described in the geodesics entry. I will keep on searching to find more about it :)
     
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