Publications

Hartvigsen, D. & Li, Y. (2013). Polyhedron of Triangle-Free Simple 2-Matchings in Subcubic Graphs. Mathematical Programming A, vol. 138.

Hartvigsen, D. & Li, Y. (2011). Maximum Cardinality Simple 2-Matchings in Subcubic Graphs. SIAM Journal on Optimization, vol. 21.

Li, Y., & Tawarmalani, M. (2011). Multi-Period Maintenance Scheduling of Tree Networks with Minimum Flow Disruption. Naval Research Logistics, vol. 58.

Dey, S., Li, Y., Miller, L., & Richard, J.-P. (2010). On the Extreme Inequalities of Infinite Group Problems. Mathematical Programming A, vol. 121.

Li, Y., Miller, L., & Richard, J.-P. (2009). Valid Inequalities for MIPs and Group Polyhedra from Approximate Liftings. Mathematical Programming A, vol. 118.

Hartvigsen, D., & Li, Y. (2008). Polyhedral Results for 1-Restricted Simple 2-Matchings. SIAM Journal on Optimization, vol. 19.

Li, Y., & Richard, J.-P. (2008). Cook, Kannan and Schrijver's Example Revisited. Discrete Optimization, vol. 5.

Li, Y., Miller, L., & Richard, J.-P. (2008). New Inequalities for Finite and Infinite Group Problems from Approximate Lifting. Naval Research Logistics, vol. 55.

Bollapragada, R., Li, Y., & Rao, U. (2006). Budget-Constrained, Capacitated Hub Location to Maximize Expected Demand Coverage in Fixed-Wireless Telecommunication Networks. INFORMS Journal on Computing, vol. 18.

Cornuejols, G., Karamanov, M., & Li, Y. (2006). Early Estimates of the Size of Branch-and-Bound Trees. INFORMS Journal on Computing, vol. 18.

Andersen, K., Cornuejols, G., & Li, Y. (2005). Split Closure and Intersection Cuts. Mathematical Programming A, vol. 102.

Andersen, K., Cornuejols, G., & Li, Y. (2005). Reduce-and-Split Cuts: Improving the Performance of Mixed-Integer Gomory Cuts. Management Science, vol. 51.

Konemann, J., Li, Y., Parekh, O., & Sinha, A. (2004). An Approximation Algorithm for the Edge-Dilation K-Center Problem. Operations Research Letters, vol. 32.

Cornuejols, G., Li, Y., & Vandenbussche, D. (2003). K-Cuts: A Variation of Gomory Mixed Integer Cuts from the LP Tableau. INFORMS Journal on Computing, vol. 15.

Cornuejols, G., & Li, Y. (2002). A Connection Between Cutting Plane Theory and the Geometry of Numbers. Mathematical Programming A, vol. 93.

Cornuejols, G., & Li, Y. (2002). On the Rank of Mixed 0,1 Polyhedra. Mathematical Programming A, vol. 91.

Cornuejols, G., & Li, Y. (2001). Elementary Closures for Integer Programs. Operations Research Letters, vol. 28.

Cai, M., Li, Y., & Yang, X. (1999). Inverse Polymatroidal Flow Problems. Journal of Combinatorial Optimization, vol. 3.

Li, Y., Shi, M., & Tian, F. (1998). Tree Decompositions for a Certain Class of Graphs. Discrete Mathematics, vol. 189.

Cai, M. & Li, Y. (1998). A Degree Condition for a Graph to Have [a, b]-Factors. Journal of Graph Theory, vol. 27.