Ricci and contracted Ricci collineations of the Robertson–Walker space-time
- 1 January 1990
- journal article
- research article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 31 (1) , 137-139
- https://doi.org/10.1063/1.528872
Abstract
Ricci collineations and contracted Ricci collineations of the Robertson–Walker metric, associated with a vector field of the form ξ=(ξ0(t,r),ξ1(t,r),0,0) are presented.Keywords
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