Chaos in self-gravitating many-body systems - Lyapunov time dependence of N and the influence of general relativityS. F. Portegies Zwart, T. C. N. Boekholt, E. H. Por, A. S. Hamers and S. L. W. McMillanA&A, 659 (2022) A86DOI: https://doi.org/10.1051/0004-6361/202141789