ben

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16 Questions

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5	Confused about indices of the Ricci tensor
4	Is it safe to ignore derivatives of velocity w.r.t. position and vice versa?
4	How do we know the geodesic is a minimum?
4	Distance when acceleration not constant
3	Having trouble seeing the similarity between these two energy-momentum tensors

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292 Reputation

+5	Defining the star as the ellipse focus rather than the barycenter, what does the other focus do?
+5	Having trouble seeing the similarity between these two energy-momentum tensors
+13	Is the path of stationary action unique? What are the physical implications of $L_{\dot{x}}=L_x$
+5	Clarifying what metric counts as flat space

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32 Tags

0 general-relativity × 6	0 tensor-calculus × 3
0 tensors × 3	0 variational-calculus × 2
0 special-relativity × 3	0 geodesics × 2
0 relativity × 3	0 energy-momentum-tensor × 2
0 lagrangian-formalism × 3	0 gravity × 2

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$Mathematics Stack Exchange$	Mathematics	510 rep	212
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