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If already known the Action and unkown the Metric, how to get geodesic equation?

  1. Jun 22, 2011 #1
    If already known the form of Action and unkown the Metric, how to derive the geodesic equation?
     
  2. jcsd
  3. Jun 22, 2011 #2
    Another question, if already known the Action (unknown the metric), how to derive Riemann Curvature from the Action?
     
  4. Jun 22, 2011 #3

    atyy

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