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gr-qc2012★ 1 cited
Nonstandard general relativity II
Günter Scharf
We study Einstein's equations with matter in hydrostatic equilibrium in the nonstandard gauge which was recently investigated in the vacuum case. We obtain spherically symmetric so…
gr-qc2012
Is dark matter a phantom ?
Günter Scharf
We show that Einstein's equations in a non-standard gauge have vacuum solutions with an asymptotically flat rotation curve as it is observed in the dark halos of galaxies. Introduc…