Abstract
This paper studies the risk-sensitive optimal control problem for a backward stochastic system. More precisely, we set up a necessary stochastic maximum principle for a risk-sensitive optimal control of this kind of equations. The control domain is assumed to be convex and the generator coefficient of such system is allowed to be depend on the control variable. As a preliminary step, we study the risk-neutral problem for which an optimal solution exists. This is an extension of initial control system to this type of problem, where the set of admissible controls is convex. An example to carried out to illustrate our main result of risk-sensitive control problem under linear stochastic dynamics with exponential quadratic cost function.
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This work is Partially supported by The CNEPRU project N: C00L03UN070120140029.
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Chala, A. Pontryagin’s Risk-Sensitive Stochastic Maximum Principle for Backward Stochastic Differential Equations with Application. Bull Braz Math Soc, New Series 48, 399–411 (2017). https://doi.org/10.1007/s00574-017-0031-2
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DOI: https://doi.org/10.1007/s00574-017-0031-2
Keywords
- Backward stochastic differential equation
- Risk-sensitive
- Stochastic maximum principle
- Adjoint equation
- Variational principle
- Logarithmic transformation