Dong Zhi-Long; On some extended mixed integer optimization models of the Eisenberg—Noe model in systemic risk management, the 31st European Conference on Operational Research (EURO 2021), Athens, Greece. 2021.07.11-2021.07.14. 

Dong Zhi-Long;Fast algorithms for large scale portfolio selection consider -ing industries and investment styles, The 6th International Conference on Continuous Optimization, the Weierstrass Institute for Applied Analysis and Stochastics, Berlin, German. 2019.08.03-2019.08.08. 

Dong Zhi-Long; A General Proximal Quasi-Newton Method for Large Scale Penalized Optimization Problem, The 5th International Conference on Continuous Optimization, National Graduate Institute for Policy Studies, Tokyo, Japan. 2016.08.06-2016.08.12.