Backward stochastic differential equations and applications to optimal control

Backward stochastic differential equations and applications to optimal control
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DOI:
10.1007/bf01195978
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发表时间:
1993-03
影响因子:
1.8
通讯作者:
S. Peng
S. Peng
中科院分区:
数学2区
文献类型:
--
作者:
S. Peng

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研究了一类倒向随机微分方程x(t)+ \int_t^T {f(x(s),y(s),s)ds + \int_t^T {y(s)dW(s)= X,} }在局部Lipschitz条件下解的存在唯一性,其中(Ω,Ω,P,W(·),Ω t)是一个标准Wiener过程,对任意给定的(x,y),f(x,y,·)是一个标准Wiener适应过程,X是标准Wiener可测的.问题是寻找一个适应对(x(·),y(·))来解决上述方程。还研究了该类型的广义矩阵Riccati方程。得到了随机最大值原理的一种新形式。
We study the existence and uniqueness of the following kind of backward stochastic differential equation, $$x(t) + \int_t^T {f(x(s),y(s),s)ds + \int_t^T {y(s)dW(s) = X,} }$$ under local Lipschitz condition, where (Ω, ℱ,P, W(·), ℱt) is a standard Wiener process, for any given (x, y),f(x, y, ·) is an ℱt-adapted process, andXis ℱt-measurable. The problem is to look for an adapted pair (x(·),y(·)) that solves the above equation. A generalized matrix Riccati equation of that type is also investigated. A new form of stochastic maximum principle is obtained.