On the maximum area pentagon in a planar point set. - Yatao Du; Ren Ding (Appl. Math. Lett., 2006)

A Note On The (g, f)-Chromatic Index Of Graphs. - Changqing Xu; Yatao Du (Ars Comb., 2008)

[1, 1, 2]-Colorings of K5 and K6. - Changqing Xu; Xiaojun Wang; Yatao Du (Ars Comb., 2010)