The reactive bargaining set of some flow games and of superadditive simple games. - Daniel Granot; Frieda Granot; Weiping R. Zhu (Int. J. Game Theory, 1997)

Characterization sets for the nucleolus. - Daniel Granot; Frieda Granot; Weiping R. Zhu (Int. J. Game Theory, 1998)

Naturally submodular digraphs and forbidden digraph configurations. - Daniel Granot; Frieda Granot; Weiping R. Zhu (Discret. Appl. Math., 2000)