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Speaker |
Frauendiener, Jorg |
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Talk Title |
Compatible discretisations in General Relativity |
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Abstract |
The Einstein equations are a special in two ways: 1. they are geometric equations in the sense that they express conditions on the underlying geometry and are therefore invariant under arbitrary coordinate transformations and they are (2) derivable from a variational principle, which implies that there is an underlying symplectic structure. Both aspects could be used in numerical simulations and the talk explores various attempts to do so. |
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