Algebraic invariants of the Riemann tensor in a four-dimensional Lorentzian space
- 1 November 1991
- journal article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 32 (11) , 3135-3140
- https://doi.org/10.1063/1.529470
Abstract
A set of 16 scalar invariants is given of the Riemann tensor which is shown to contain complete minimal sets in the Einstein–Maxwell and perfect fluid cases. All previously known sets fail to be complete in the perfect fluid case.Keywords
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