Invited Speakers： Magnus Carlson (Gävle University), Yuichiro Hoshi (Research Institute for Mathematical Sciences, Kyoto University), Hisatoshi Kodani (Kyushu University), Toshiki Matsusaka (Kyushu University), Dimitrios Noulas (University of Athens), Densuke Shiraishi (National Institute of Technology, Kagawa College), Christopher-Lloyd Simon (Institut de recherche mathématique de Rennes), Yi Wang (University of Illinois Urbana-Champaign). URL: https://www2.math.kyushu-u.ac.jp/~morisita/