D. Li

Exact Algorithm for Concave Knapsack Problems: Linear Underestimation and Partition Method

Fu Lee Wang, X. L. Sun, F. L. Wang, 2005, J. Glob. Optim..

Computing exact solution to nonlinear integer programming: Convergent Lagrangian and objective level cut method

X. L. Sun, D. Li, J. Wang, 2007, J. Glob. Optim..

An exact algorithm for factor model in portfolio selection with roundlot constraints

D. Li, Duan Li, Xiaoxi Sun, 2009 .