Coevolution of information processing and topology in hierarchical adaptive random Boolean networks Piotr J. Górski, Agnieszka Czaplicka and Janusz A. Hołyst Eur. Phys. J. B, 89 2 (2016) 33 Published online: 08 February 2016 DOI: 10.1140/epjb/e2015-60530-6