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学术报告七十九:Two-Person Zero-Sum Stochastic Linear-Quadratic Differential Games

时间:2021-09-02 16:49

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数学与统计学院学术报告[2021] 079

(高水平大学建设系列报告579)

报告题目: Two-Person Zero-Sum Stochastic Linear-Quadratic Differential Games

报告人: 孙景瑞 博士   南方科技大学

报告时间:202193 下午3:00

直播平台及链接: 讯会议、会议号:738 701 176

https://meeting.tencent.com/dm/C3C97Il99mxh?rs=25                       

报告内容:In this talk we study the open-loop saddle point and the open-loop lower and upper values, as well as their relationship for two-person zero-sum stochastic linear-quadratic (LQ, for short) differential games with deterministic coefficients. We derive a necessary condition for the finiteness of the open-loop lower and upper values and a sufficient condition for the existence of an open-loop saddle point. Under the sufficient condition, a strongly regular solution to the associated Riccati equation uniquely exists, in terms of which we establish a closed-loop representation for the open-loop saddle point. We present examples to show that the finiteness of the open-loop lower and upper values does not ensure the existence of an open-loop saddle point in general. But for the classical deterministic LQ game, we obtain the equivalence of these two issues and an explicit representation of the solution to the Riccati equation.

报告人简历:孙景瑞博士2015年毕业于中国科学技术大学。20154月至20191月先后在香港理工大学、新加坡国立大学、中佛罗里达大学从事博士后、研究员、访问助理教授等工作,20192月加入南方科技大学数学系,任助理教授。孙景瑞博士的研究领域为随机最优控制及其应用,尤其是与随机微分博弈、正倒向随机微分方程、数理金融等相关的数学问题。已在Annals of Applied ProbabilitySIAM Journal on Control and OptimizationESAIM: Control, Optimisation and Calculus of VariationsStochastic Processes and their ApplicationJournal of Differential Equations等国际一流期刊发表学术论文近20篇,并在Springer出版专著2部,其工作受到国内外同行的广泛关注。

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