1. LSC, Academy of Mathematics and Systems Science, Chinese Academy of ScienceBeijing100190People's Republic of China
2. School of Mathematical Sciences, University of Chinese Academy of SciencesBeijing100049People's Republic of China
3. Department of AutomationShanghai Jiaotong UniversityShanghai200240People's Republic of China
4. Key Laboratory of System Control and Information Processing, Ministry of EducationShanghai200240People's Republic of China
5. Optimization and Systems Theory, KTH Royal Institute of Technology10044StockholmSweden