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astro-ph2004★ 54 cited
Deflection of light and particles by moving gravitational lenses
Olaf Wucknitz, Ulrich Sperhake
Various authors have investigated the problem of light deflection by radially moving gravitational lenses - with inconsistent results. In this paper we generalize the calculations…
astro-ph2001
Non-linear radial oscillations of neutron stars: Mode-coupling results
Uli Sperhake, Philippos Papadopoulos, Nils Andersson
The non-linear behaviour of oscillation modes in compact stars is a topic of considerable current interest. Accurate numerical studies of such phenomena are likely to require power…