Bi, Shujun; Han, Le; Pan, Shaohua - In: Journal of Global Optimization 57 (2013) 4, pp. 1113-1137
The rank function rank(.) is neither continuous nor convex which brings much difficulty to the solution of rank minimization problems. In this paper, we provide a unified framework to construct the approximation functions of rank(.), and study their favorable properties. Particularly, with two...