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K and homogenity of time

  1. Apr 22, 2006 #1
    so would you say that k in bondi k calculus is constant because of homogenity of time?
  2. jcsd
  3. Apr 22, 2006 #2


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    I don't think "homogeneity of time" is sufficient.
    You'll probably need the "homogeneity and isotropy of spacetime".
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