7 citations · 16 across the 5 of their papers we have counts for
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gr-qc2012★ 2 cited
Exchange of signals around the event horizon in Schwarzschild space-time
M. Gawełczyk, J. Polonyi, A. Radosz +1
Red shift in communication and possibility of interaction is discussed for objects around the event horizon of Schwarzschild space-time. It is pointed out that the arrow of time wi…
gr-qc2009
Turning points of massive particles in Schwarzschild geometry
J. Polonyi, A. Radosz, A. Siwek +1
The stable geodesics in Schwarzschild geometry can not approach the center closer than the radius of the photon sphere, 3/2 times the Schwarzschild radius. In other words, massive…