Inverse minimum cost flow problems under the weighted Hamming distance. - Yiwei Jiang; Longcheng Liu; Biao Wu 004; Enyu Yao (Eur. J. Oper. Res., 2010)

A polynomially solvable case of optimal linear extension problem of a poset. - Biao Wu 004; Enyu Yao; Longcheng Liu (J. Comb. Optim., 2010)

Minimizing the sum cost in linear extensions of a poset. - Longcheng Liu; Biao Wu 004; Enyu Yao (J. Comb. Optim., 2011)

Weighted Inverse Minimum Cut Problem under the Sum-Type Hamming Distance. - Longcheng Liu; Yong Chen 002; Biao Wu 004; Enyu Yao (FAW-AAIM, 2012)

Minimizing the maximum bump cost in linear extensions of a poset. - Biao Wu 004; Longcheng Liu; Enyu Yao (J. Comb. Optim., 2013)