A relativistic action-at-a-distance description of gravitational interactions?
arXiv:1205.4417 · doi:10.1103/PhysRevD.86.045009
Abstract
It is shown that certain aspects of gravitation may be described using a relativistic action-at-a-distance formulation. The equations of motion of the model presented are invariant under Lorentz transformations and agree with the equations of Einstein's theory of General Relativity, at the first Post-Newtonian approximation, for any number of interacting point masses.
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