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Question: Covariant Derivative of Einstein Tensor for specific metric

Question:Covariant Derivative of Einstein Tensor for specific metric

Dark Energy 100 Maple
July 13 2024
2

Dear all,

I would like to find how I can calculate covariant derivative of Einstein tensor for an arbitrary metric ds_2=-A(r)*dt^2+B(r)*dr^2+dtheta^2+sin(theta)^2*dphi^2

with best
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