Abstract
Mathematica program for various general observer quantities in the general theory of relativity has been developed which uses coordinate system, metric tensor and unit timelike velocity vector as input.
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Acknowledgements
The authors are thankful to the University Grant Commission, India for providing financial support under UGC-SAP-DRS(III) provided to the Department of Mathematics, Sardar Patel University, Vallabh Vidyanagar, where the work was carried out. R. Panchal is also thankful to the UGC, India for providing financial support under UGC-BSR Fellowship. Authors are thankful to the learned referee whose comments were helpful in improve the manuscript.
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Hasmani, A.H., Panchal, R. Algebraic computations of general observer quantities using Mathematica. Astrophys Space Sci 359, 1 (2015). https://doi.org/10.1007/s10509-015-2465-6
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DOI: https://doi.org/10.1007/s10509-015-2465-6