List questions from general-relativity

Published on 02 Jun 2018 - 8:27

122

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Calculation to show $|\mathrm{d}r|^2_{\bar g} = 1$ implies sectional curvatures tend to $-1$.

Published on 08 Jun 2018 - 0:27

129

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Which specific smooth structure are we using in general relativity?

Published on 08 Jun 2018 - 11:51

604

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Implication of the Symmetry of the Christoffel Symbol

Published on 12 Jun 2018 - 5:34

316

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GR Coordinate and proper time, null geodesic

Published on 25 Jun 2018 - 14:49

47

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Vacuum solutions of Einstein's field equations with $O(n)$ isometry group

Published on 27 Jun 2018 - 13:21

328

Views

Calculate covariant divergence

Published on 06 Jul 2018 - 14:48

266

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Is there a natural category in which the morphisms are derivative operators?

Published on 17 Jul 2018 - 19:32

2.2k

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Existence of Orthonormal Basis of a Metric in a Manifold

Published on 24 Mar 2026 - 23:48

780

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Learning Differential Geometry through General Relativity

Published on 13 Aug 2018 - 21:27

351

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Confusion with notation of square bracket and round bracket of indices of a tensor

Published on 20 Mar 2026 - 10:38

298

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Does knowledge of all the geodesics suffice to determine the metric up to a scaling factor?

Published on 18 Aug 2018 - 15:34

406

Views

How can one define ordinary derivative of a vector field along a curve?

Published on 27 Aug 2018 - 0:29

248

Views

What is the difference between a massless pinor and a spinor?

Published on 28 Aug 2018 - 19:24

147

Views

Characterisation of the Minkowski metric

Published on 29 Aug 2018 - 12:42

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Help with Conjugate points

Calculation to show $|\mathrm{d}r|^2_{\bar g} = 1$ implies sectional curvatures tend to $-1$.

Which specific smooth structure are we using in general relativity?

Implication of the Symmetry of the Christoffel Symbol

GR Coordinate and proper time, null geodesic

Vacuum solutions of Einstein's field equations with $O(n)$ isometry group

Calculate covariant divergence

Is there a natural category in which the morphisms are derivative operators?

Existence of Orthonormal Basis of a Metric in a Manifold

Learning Differential Geometry through General Relativity

Confusion with notation of square bracket and round bracket of indices of a tensor

Does knowledge of all the geodesics suffice to determine the metric up to a scaling factor?

How can one define ordinary derivative of a vector field along a curve?

What is the difference between a massless pinor and a spinor?

Characterisation of the Minkowski metric

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