Abstract
A new algorithm, based on the introduction of new spinor quantities, for the Segre classification of the trace-free Ricci tensor is presented. It is capable of automatically distinguishing between the two Segre types [1,1(11)] and [(1,1)11] where all other known algorithms fail to do so.
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Zakhary, E., Carminati, J. A New Algorithm for the Segre Classification of the Trace-Free Ricci Tensor. General Relativity and Gravitation 36, 1015–1038 (2004). https://doi.org/10.1023/B:GERG.0000018087.58885.57
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DOI: https://doi.org/10.1023/B:GERG.0000018087.58885.57