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2 votes
0 answers
97 views

Second covariant derivative product rule [duplicate]

2 votes
1 answer
84 views

Different Lagrangian formulas for geodesics [duplicate]

2 votes
1 answer
72 views

Definition of stress-energy tensor for the EFEs and other arbitrary cases

2 votes
0 answers
80 views

Choosing diffeomorphisms for the pullback metric in the Weak Field approximation

1 vote
1 answer
163 views

Stress energy tensor components for a perfect fluid

1 vote
2 answers
58 views

Confusion with the variational operator $\delta$ and finding variations

1 vote
1 answer
51 views

Variational operator confusion

1 vote
0 answers
65 views

Mathematical prerequisites for M-theory [duplicate]

1 vote
1 answer
87 views

Stress-energy tensor given Einstein tensor [duplicate]

1 vote
2 answers
142 views

Christoffel symbols calculation

1 vote
0 answers
77 views

Spacetime distortion and wormholes

1 vote
0 answers
40 views

Schwarzchild Metric ODE for θ solution

1 vote
0 answers
69 views

Kerr metric geodesics using EL equations

0 votes
1 answer
36 views

Tensor contractions in the transformation coefficients of a primed tensor

0 votes
1 answer
68 views

Orbital paths of planets

0 votes
1 answer
94 views

Schwarzschild metric system of geodesic differential equations

0 votes
0 answers
56 views

Geodesic deviation second covariant derivative

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0 answers
26 views

Learning general relativity, books on the math and an introductory guide for topic of general relativity [duplicate]

0 votes
1 answer
74 views

Measuring the spacetime curvature of an object

0 votes
1 answer
147 views

Geodesic equation fastest solution

0 votes
1 answer
84 views

Christoffel symbols for certain metric using different formulas

0 votes
1 answer
81 views

Christoffel symbol metric connection

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0 answers
63 views

Stress-energy tensor definiton for scalar fields extension

0 votes
2 answers
106 views

Einstein summation convention

0 votes
1 answer
40 views

Interchange of definitions for energy-momentum tensor from scalar fields to matter fields [duplicate]

0 votes
3 answers
106 views

Double Sums in Einstein Notation

0 votes
1 answer
82 views

Double Einstein summation simplification

0 votes
1 answer
75 views

How do we know what definition to choose for the stress energy tensor for a situation?

0 votes
0 answers
67 views

Lie Symmetry method for solving perfect fluid SEM Tensor Einstein Equations

0 votes
2 answers
156 views

Cases for weak field approximation for EFEs being applied to non-weak fields