Delay-induced chimeras in neural networks with fractal topology Jakub Sawicki, Iryna Omelchenko, Anna Zakharova and Eckehard Schöll Eur. Phys. J. B, 92 3 (2019) 54 Published online: 04 March 2019 DOI: 10.1140/epjb/e2019-90309-6