Jiang, Shan; Fang, Shu-Cherng; An, Qi - 2023
Cardinality constrained mean-variance (CCMV) portfolio selection problem is commonly formulated as a mixed integer quadratic program (MIQP) that can be solved by a branch-and-bound scheme or metaheuristics. Yet, computational efficiency remains to be a major issue. In this study, we propose a...