Martingale approach to stochastic differential games of control and stopping

被引:40
|
作者
Karatzas, Ioannis [1 ]
Zamfirescu, Ingrid-Mona [2 ]
机构
[1] Columbia Univ, Dept Math, New York, NY 10027 USA
[2] CUNY Bernard M Baruch Coll, Dept Math, New York, NY 10010 USA
来源
ANNALS OF PROBABILITY | 2008年 / 36卷 / 04期
关键词
stochastic games; control; optimal stopping; martingales; Doob-Meyer decompositions; stochastic maximum principle; thrifty control strategies;
D O I
10.1214/07-AOP367
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
We develop a martingale approach for studying continuous-time stochastic differential games of control and stopping, in a non-Markovian framework and with the control affecting only the drift term of the state-process. Under appropriate conditions, we show that the game has a value and construct a saddle pair of optimal control and stopping strategies. Crucial in this construction is a characterization of saddle pairs in terms of pathwise and martingale properties of suitable quantities.
引用
收藏
页码:1495 / 1527
页数:33
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