I'm looking for a reasonably challenging problem that will help me apply concepts of GR.(adsbygoogle = window.adsbygoogle || []).push({});

Difficulty wise, I'm looking for something that would compare to a QED cross-section calculation.

Can anyone suggest such a calculation? I'm considering the problem posed in MTW to figure out the number of test particles required to determine the independent components of the Riemann curvature tensor, but I question how useful this would be compared to the time required to do the problem.

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# Challenging problem in GR

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