The following publications are possibly variants of this publication:
- Global optimality conditions and optimization methods for quadratic integer programming problemsZ. Y. Wu, G. Q. Li, J. Quan. jgo, 51(3):549-568, 2011. [doi]
- Global Optimality Conditions and Optimization Methods for Quadratic Knapsack ProblemsZhi-You Wu, Y. J. Yang, Fu-Sheng Bai, M. Mammadov. jota, 151(2):241-259, 2011. [doi]
- Optimality conditions in global optimization and their applicationsAlex M. Rubinov, Z. Y. Wu. mp, 120(1):101-123, 2009. [doi]
- A new local and global optimization method for mixed integer quadratic programming problemsG. Q. Li, Z. Y. Wu, J. Quan. amc, 217(6):2501-2512, 2010. [doi]