ZARM, University of Bremen
Am Fallturm
28359 Bremen
Germany

Dissertation

• Mathematical methods and solutions in black hole astrophysics (October 2018)

Publications

• V. Witzany, P. Jefremov: "New closed analytical solutions for geometrically thick fluid tori around black holes. Numerical evolution and the onset of the magneto-rotational instability" Astron. Astrophys. 614, A75 (2018)  arXiv.org/abs/1711.09241
• V. Witzany: " Exploiting the hidden symmetry of spinning black holes: conservation laws and numerical tests" Mon. Not. Roy. Astron. Soc. 473, 2434 (2017)  arXiv.org/abs/1709.03330
• C. Markakis, K. Uryū, E. Gourgoulhon, J. P. Nicolas, N. Andersson, A. Pouri, A., V. Witzany: "Conservation laws and evolution schemes in geodesic, hydrodynamic, and magnetohydrodynamic flows" Phys. Rev. D 96, 064019 (2017)  arXiv.org/abs/1612.09308
• V. Witzany, C. Lämmerzahl: "Pseudo-Newtonian equations for evolution of particles and fluids in stationary space-times" Astrophys. J. 105, 841 (2017)  arXiv.org/abs/1601.01034
• V. Witzany, O. Semerák, P. Suková: "Free motion around black holes with discs or rings: between integrability and chaos - IV" Mon. Not. Roy. Astron. Soc. 451, 1770 (2015)   arxiv.org/abs/1503.09077