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Some Explorations on Linear-Quadratic Stochastic Optimal Control and Zero-Sum Stochastic Differential Game
主讲:于志勇(山东大学)
举办时间:2017.5.15;9:30am    地点:N602

Abstract: Firstly, we introduce a new approach called ``equivalent cost functional method” to study the indefinite linear-quadratic (LQ) stochastic optimal control problems. The analysis is featured by the introduction of some equivalent cost functionals which enable us to establish a bridge between the indefinite and positive-definite stochastic LQ problems. With such a bridge, some known resultsof the positive-definite LQ control problem are ``moved” to the indefinite case.

Secondly, we study a two-person zero-sum LQ stochastic differential game problem. From a new viewpoint, we construct a saddle point for the game in feedback control-strategy pair form based on the solution of a Riccati equation. A global solvability to this Riccati equation is obtained. Moreover, we demonstrate an indefinite phenomenon arising from the LQ game.

 

个人简介:于志勇,山东大学数学学院教授2008博士毕业于山东大学,导师为彭实戈院士。于志勇主要从事随机控制与随机微分博弈、倒向随机微分方程,和金融数学方面的研究。

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