List questions from general-relativity

Published on 16 Mar 2017 - 3:26

31

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Defining hypersurfaces in terms of algebraic surfaces

Published on 24 Mar 2017 - 18:43

147

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I need help finding the solution about $z=0$ of the following differential equation.

Published on 28 Mar 2017 - 12:20

217

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Exercise involving light cones and light rays in special relativity

Published on 06 Apr 2017 - 16:33

34

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What does the notation $N_{i;j}$ mean?

Published on 08 Feb 2023 - 16:37

31

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Why is 4-dimensional $g_{\mu\nu}$ required in 3+1 numerical relativity?

Published on 08 Feb 2023 - 17:47

153

Views

Deriving Contracted Bianchi Identity from Einstein-Hilbert Action

Published on 25 Mar 2026 - 14:21

111

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What is $\nabla_i \nabla _j N_i$ in differential geometry?

Published on 09 Feb 2023 - 3:45

125

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Riemann curvature tensor "as a" vector in the total space?

Published on 04 Mar 2023 - 23:38

67

Views

reference on minimal surfaces

Published on 25 Mar 2026 - 11:08

97

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How can the boundary of a Riemannian $3$-manifold consist of minimal surfaces?

Published on 25 Mar 2026 - 12:49

71

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Why $R_{\mu\nu}$ is zero in the vacuum and not $R_{\mu\nu} - \frac{R} {2} g_{\mu\nu}$?

Published on 15 Mar 2023 - 7:48

51

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Schauder estimates on a punctured disk.

Published on 18 Mar 2023 - 16:40

137

Views

Lorentzian manifolds of constant curvature

Published on 24 Mar 2023 - 12:56

64

Views

Representation of spin group carrying a symplectic form

Published on 24 Mar 2023 - 16:41

List Question

Orthogonality of null vectors in Minkowski Spacetime

Defining hypersurfaces in terms of algebraic surfaces

I need help finding the solution about $z=0$ of the following differential equation.

Exercise involving light cones and light rays in special relativity

What does the notation $N_{i;j}$ mean?

Why is 4-dimensional $g_{\mu\nu}$ required in 3+1 numerical relativity?

Deriving Contracted Bianchi Identity from Einstein-Hilbert Action

What is $\nabla_i \nabla _j N_i$ in differential geometry?

Riemann curvature tensor "as a" vector in the total space?

reference on minimal surfaces

How can the boundary of a Riemannian $3$-manifold consist of minimal surfaces?

Why $R_{\mu\nu}$ is zero in the vacuum and not $R_{\mu\nu} - \frac{R} {2} g_{\mu\nu}$?

Schauder estimates on a punctured disk.

Lorentzian manifolds of constant curvature

Representation of spin group carrying a symplectic form

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