Integer Isotone Optimization. - Ming-Hong Liu; Vasant A. Ubhaya (SIAM J. Optim., 1997)

Encoding Sequential Information Using Signatures. - Ming-Hong Liu (IKE, 2009)

An O(n) algorithm for weighted least squares regression by integer quasi-convex and unimodal or umbrella functions. - Ming-Hong Liu; Vasant A. Ubhaya (Comput. Math. Appl., 2009)