1211.2246 (Hajnal Andréka et al.)

A note on "Einstein's special relativity beyond the speed of light" by
James M. Hill and Barry J. Cox    [PDF]

Hajnal Andréka, Judit X. Madarász, István Németi, Gergely Székely

We show that the transformations J. M. Hill and B. J. Cox introduce between inertial observers moving faster than light with respect to each other is consistent with Einstein's principle of relativity only if the spacetime is 2 dimensional. However, the mass-change formula predicted by Hill and Cox can be derived without using those transformations.

View original: http://arxiv.org/abs/1211.2246