Robuta

https://arxiv.org/abs/1412.0641 [1412.0641] Kerr geometry in f(T) gravity Abstract page for arXiv paper 1412.0641: Kerr geometry in f(T) gravity kerr geometryin f1412gravity https://arxiv.org/abs/gr-qc/0409014 [gr-qc/0409014] Vortex geometry for the equatorial slice of the Kerr black hole Abstract page for arXiv paper gr-qc/0409014: Vortex geometry for the equatorial slice of the Kerr black hole