List questions from semi-riemannian-geometry

89

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What are examples of the use of countable choice axiom and DC in (pseudo)riemannian geometry results

Published on 20 Sep 2017 - 22:33

129

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Estimating the product of timelike vectors in $\Bbb R^n_\nu$

Published on 20 Sep 2017 - 23:17

205

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The one-parameter curves generated by Lie dragging a geodesic by a Killing field are geodesics

Published on 21 Sep 2017 - 23:56

827

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Computation of exterior derivative of an $(n-1)$ form

Published on 24 Sep 2017 - 2:37

80

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Relation of commutators $[A_{\xi},A_{\eta}]$ with the normal bundle

Published on 26 Sep 2017 - 19:27

114

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Diagonalization of $2\times 2$ Lorentz-symmetric matrix

Published on 27 Sep 2017 - 1:41

107

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Why these tensor fields do not depend on the hypersurfaces chosen to define them?

Published on 03 Oct 2017 - 3:12

449

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Lorentzian scalar product

Published on 07 Oct 2017 - 11:20

1.9k

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How does the hodge codifferential operator act over a wedge product?

Published on 07 Oct 2017 - 17:55

149

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Real Clifford algebra for $SO(1,2)$

Published on 20 Oct 2017 - 14:49

173

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Mathematical properties of Minkowski spacetime(3+1) and its isometry group

Published on 22 Oct 2017 - 13:01

221

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Integration on manifold using the flow of a vector field

Published on 24 Oct 2017 - 2:43

51

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Is there a natural choice of cone in Minkowski space as a real affine space?

Published on 02 Nov 2017 - 12:22

109

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Existence of parametrization with dense image for an invariant surface in $\Bbb R^4_1$.

Published on 13 Nov 2017 - 21:32

358

Views

Is de Sitter space $ dS_4 = SO(1,4)/SO(1,3)$?

Published on 04 Dec 2017 - 23:23

List Question

What are examples of the use of countable choice axiom and DC in (pseudo)riemannian geometry results

Estimating the product of timelike vectors in $\Bbb R^n_\nu$

The one-parameter curves generated by Lie dragging a geodesic by a Killing field are geodesics

Computation of exterior derivative of an $(n-1)$ form

Relation of commutators $[A_{\xi},A_{\eta}]$ with the normal bundle

Diagonalization of $2\times 2$ Lorentz-symmetric matrix

Why these tensor fields do not depend on the hypersurfaces chosen to define them?

Lorentzian scalar product

How does the hodge codifferential operator act over a wedge product?

Real Clifford algebra for $SO(1,2)$

Mathematical properties of Minkowski spacetime(3+1) and its isometry group

Integration on manifold using the flow of a vector field

Is there a natural choice of cone in Minkowski space as a real affine space?

Existence of parametrization with dense image for an invariant surface in $\Bbb R^4_1$.

Is de Sitter space $ dS_4 = SO(1,4)/SO(1,3)$?

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