Optimal Investment with Stopping in Finite Horizon

Xiongfei Jian, Xun Li, Fahuai Yi

Research output: Journal article publicationJournal articleAcademic researchpeer-review

5 Citations (Scopus)


In this paper, we investigate dynamic optimization problems featuring both stochastic control and optimal stopping in a finite time horizon. The paper aims to develop new methodologies, which are significantly different from those of mixed dynamic optimal control and stopping problems in the existing literature. We formulate our model to a free boundary problem of a fully nonlinear equation. Furthermore, by means of a dual transformation for the above problem, we convert the above problem to a new free boundary problem of a linear equation. Finally, we apply the theoretical results to some challenging, yet practically relevant and important, risk-sensitive problems in wealth management to obtain the properties of the optimal strategy and the right time to achieve a certain level over a finite time investment horizon. MSC:35R35, 91B28, 93E20.

Original languageEnglish
Article number432
JournalJournal of Inequalities and Applications
Issue number1
Publication statusPublished - 18 Dec 2014


  • dual transformation
  • free boundary
  • optimal investment
  • optimal stopping

ASJC Scopus subject areas

  • Analysis
  • Discrete Mathematics and Combinatorics
  • Applied Mathematics


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