Solitary states in complex networks: impact of topology Leonhard Schülen, Maria Mikhailenko, Everton S. Medeiros and Anna Zakharova Eur. Phys. J. Spec. Top., 231 22-23 (2022) 4123-4130 Published online: 10 November 2022 DOI: 10.1140/epjs/s11734-022-00713-4