A single quadtree-based algorithm for top-k spatial keyword query. - Hsiang-Jen Hong; Ge-Ming Chiu; Wan-Yu Tsai (Pervasive Mob. Comput., 2017)

A numerical scheme for a singular control problem: Investment-consumption under proportional transaction costs. - Wan-Yu Tsai; Arash Fahim (J. Comput. Appl. Math., 2018)