Cao, Yixin (ed.) et al., 31st international symposium on algorithms and computation, ISAAC 2020, Hong Kong, China, virtual conference, December 14–18, 2020. Wadern: Schloss Dagstuhl – Leibniz Zentrum für Informatik. LIPIcs – Leibniz Int. Proc. Inform. 181, Article 18, 17 p. (2020).