■佐野勝彦 (京都大学 文学研究科 博士課程) SANO Katsuhiko (Graduate School of Letters, Kyoto University) “Characterizations of the elementary modally definable in Extended Modal logics” (joint work with SATO Kentaro)
■Mr. Tadeusz Litak (Postdoctoral Fellow, JAIST) “Discrete frames as semantics for modal and hybrid logic ”(joint work with Balder ten Cate)