“…This special issue of plaNext presents a selection of articles from the 9 th AESOP YA conference, "Differences and Connections: Beyond Universal Theories in Planning, Urban, and Heritage Studies", held in March 2015 in Palermo, Italy (see Caruso et al, 2016, for the conference report). The conference was designed to bring forward two perspectives: first, the need to fostering multi-and inter-disciplinary dialogues between planning theory and research, critical urban theories, human and cultural geography, critical heritage studies, and beyond; and, second, the idea that renewed efforts for comparative studies can help deparochialising urban theories too often based on the study of a few (global) cities, without giving up the construction of theoretical and horizontal understandings and explanations (cf.…”