Abstract: We exhibit theories of gravitation leading to the same set of solutions with algebraically special Ricci tensor as Einstein's equations. Their sets of solutions with algebraically general Ricci tensor differ from general relativity. It will be difficult to empirically distinguish these theories from general relativity.
Publication Year: 1984
Publication Date: 1984-12-01
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 5
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