Multi-chimera states and transitions in the Leaky Integrate-and-Fire model with nonlocal and hierarchical connectivityN.D. Tsigkri-DeSmedt, J. Hizanidis, P. Hövel and A. ProvataEur. Phys. J. Special Topics, 225 6-7 (2016) 1149-1164DOI: https://doi.org/10.1140/epjst/e2016-02661-4