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advanced_tools:bianchi_identities [2019/01/16 13:34]
jakobadmin [Abstract]
advanced_tools:bianchi_identities [2019/01/16 13:35] (current)
jakobadmin [Abstract]
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 In general relativity, the Bianchi identity ​ In general relativity, the Bianchi identity ​
 $$ \nabla R = \nabla \nabla \theta =0  $$ $$ \nabla R = \nabla \nabla \theta =0  $$
-roughly says "that the sum over a closed two-dimensional surface of rotations induced by Riemannian curvature is equal to zero." ([[https://​link.springer.com/​article/​10.1007%2FBF01882731|Source]])+roughly says "that the sum over a closed two-dimensional surface of rotations induced by Riemannian curvature is equal to zero. [...] Geometrically this means that the density of the moment of rotation induced by Riemannian curvature is equal to zero automatically." ([[https://​link.springer.com/​article/​10.1007%2FBF01882731|Source]])
 <tabbox Why is it interesting?> ​ <tabbox Why is it interesting?> ​
 <​blockquote>​ <​blockquote>​
advanced_tools/bianchi_identities.txt · Last modified: 2019/01/16 13:35 by jakobadmin