Relativity and Hyperbolic Space


OBSERVATION tells us that while gravitation dominates the history of a lump of matter moving in the vast ocean of free æther, it has practically no effect on the history of a pulse of light in similar circumstances. Since last mail I have investigated the bearings of space being hyperbolic on light-rays.

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MCAULAY, A. Relativity and Hyperbolic Space. Nature 105, 808 (1920).

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