Research Interests

More details about my current research projects can be found in our project group page.

My ResearchGate page has more information about my papers and citations.

Research Publications

Published or to Appear in Peer-Reviewed Journals

Xi Chen, Jihong Zhang and Xiaosong Ding, Location of a conservative hyperplane for cutting plane methods in disjoint bilinear programming, Optimization Letters,13(7): 1677-1692,2019. (SCI)

Xi Chen, Barrett W. Thomas and Michael Hewitt, Multi-Period Technician Scheduling with Experience-based Service Times and Stochastic Customers, Computers and Operations Research, 82:1-14, 2017. (SCI)

Xi Chen, Barrett W. Thomas and Michael Hewitt, The Technician Routing Problem with Experience-based Service Times, Omega, 61:49-61, 2016. (SCI)

Jihong Zhang, Xi Chen and Xiaosong Ding, Degeneracy Removal in Cutting Plane Methods for Disjoint Bilinear Programming, Optimization Letters, 1-13, 2016. (SCI)

Xiaosong Ding, Jihong Zhang and Xi Chen, A Joint Pricing and Inventory Control Problem under an Energy Buy-back Program, Operations Research Letters, 40(6):516-520, 2012. (SCI)

Conference Papers

Jihong Zhang, Jinyan Gao, Tian Yang, Xi Chen, Xiaosong Ding , and Linlin Yang, Location of a Conservative Hyperplane for Disjoint Bilinear Programming Based on Distances, in proceedings of the 15th International Conference on Service Systems and Service Management (ICSSSM'18), Hangzhou, China, 2018 (EI)
Di Wang, Yili Zhu, and Xi Chen*, Method Development and Comparative Study of P2P Agricultural Loan Selection, in proceedings of the 15th International Conference on Service Systems and Service Management (ICSSSM'18), Hangzhou, China, 2018 (EI)
Zehua Yang, Jihong Zhang and Xi Chen*, The Pricing Strategy for the Dual Channel Supply Chain with Pre-Sale Service, in proceedings of the 15th International Conference on Service Systems and Service Management (ICSSSM'18), Hangzhou, China, 2018 (EI)

Xiaosong Ding, Jihong Zhang, Xi Chen and Wei Shi, Optimal Production-Inventory Policy under Energy Buy-Back Program, Lecture Notes in Operations Research 12, pp.526-532, 2010. (ISTP)

Xiaosong Ding, Xi Chen and Jihong Zhang, �Certainty Equivalent in Portfolio Management, Lecture Notes in Operations Research 10, pp.115-123, 2009. (ISTP)

Xi Chen, Jihong Zhang, Xiaosong Ding, On Improvements to the Cutting Plane Methods for Disjoint Bilinear Programming, 2019.

Xi Chen, Jihong Zhang, Xiaosong Ding, Generation of Deeper Cuts in Disjoint Bilinear Programming, 2019.

Approximate Dynamic Programming for the Multi-period Technician Routing and Scheduling Problem with Experience-based Service Times and Stochastic Customers. Invited Presentation. The 6th INFORMS Transportation Science and Logistics Society Workshop, Hong Kong, China, 2018.
Approximate Dynamic Programming for the Multi-period Technician Scheduling with Experience-based Service Time. Invited Presentation. INFORMS, Houston, TX, 2017.
Dynamic Technician Scheduling Problem with Experience-based Service Time. Invited Presentation. INFORMS, San Francisco, CA, 2014.
The Technician Routing Problem with Experience-based Service Time. Invited Presentation. INFORMS, Minneapolis, MN, 2013.
Optimal Production-Inventory Policy under Energy Buy-Back Program. Invited Presentation. The 9th International Symposium on Operations Research and its Applications in Engineering, Technology and Management. Chengdu, China, 2010.
Certainty Equivalent in Portfolio Management. Invited Presentation. The 8th International Symposium on Operations Research and its Applications in Engineering, Technology and Management. Zhangjiajie, China, 2009.