[2]	L. Hogben, J. C.-H. Lin, and M. Young. Multi-part Nordhaus-Gaddum type problems for tree-width, Colin de Verdière type parameters, and Hadwiger number. http://arxiv.org/abs/1604.08817. (under review). [ pdf ]
[1]	G. J. Chang and J. C.-H. Lin. Minimum rank of powers of cycles and trees. (under review). [ pdf ]