Nordhaus-Gaddum-type theorem for Wiener index of graphs when decomposing into three parts. - Daobin Li; Baoyindureng Wu; Xunuan Yang; Xinhui An (Discret. Appl. Math., 2011)

On the Sum of Independence Number and Average Degree of a Graph. - Xunuan Yang; Baoyindureng Wu; Guiying Yan (Discret. Math. Algorithms Appl., 2011)