A classification of left-invariant Lorentzian metrics on so…
A classification of left-invariant Lorentzian metrics on some nilpotent Lie groups. (arXiv:2011.09118v1 [math.DG])
http://arxiv.org/abs/2011.09118
A classification of left-invariant Lorentzian metrics on some nilpotent Lie groups. (arXiv:2011.09118v1 [math.DG])
http://arxiv.org/abs/2011.09118