Optimal stopping and controls

1. Stochastic modeling and fair valuation of drawdown insurance, Hongzhong Zhang, Tim Leung, and Olympia Hadjiliadis, Insurance, Mathematics and Economics 53(3), pp. 840-850, 2013.

2. An analytic recursive method for optimal multiple stopping: Canadization and phase-type fitting, Tim Leung, Kazutoshi Yamazaki and Hongzhong Zhang, International Journal of Theoretical and Applied Finance, 18(5), 1550032, 2015.

3. Optimal multiple stopping with negative discount rate and random refraction times under Lévy models, Tim Leung, Kazutoshi Yamazaki and Hongzhong Zhang, SIAM Journal on Control and Optimization, 53(4), pp. 2373-2405, 2015.

4. Game of singular stochastic control and strategic exit, H. Dharma Kwon and Hongzhong Zhang, Mathematics of Operations Research, 40(4), pp. 869-887, 2015. .

5. Beating the Omega clock: an optimal stopping problem with random time-horizon under Lévy models, Neofytos Rodosthenous and Hongzhong Zhang, The Annals of Applied Probability, 28(4), 2105-2140, 2018.

6.On the optimality of threshold type strategies in single and recursive optimal stopping under Lévy models, Mingsi Long and Hongzhong Zhang, Stochastic Processes and their Applications, 129(8), 2821-2849, 2019.

7.Optimal trading with a trailing stop, Applied Mathematics & Optimization, 2019.

8. When to sell an asset amid anxiety about drawdowns, Neofytos Rodosthenous and Hongzhong Zhang, Mathematical Finance, 2020.