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首页> 外文期刊>Journal of Theoretical Probability >A Generalized Comparison Theorem for BSDEs and Its Applications
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A Generalized Comparison Theorem for BSDEs and Its Applications

机译:BSDE的广义比较定理及其应用

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摘要

This paper establishes a generalized comparison theorem for one-dimensional backward stochastic differential equations (BSDEs) whose generators are uniformly continuous in z and satisfy a kind of weakly monotonic condition in y. As applications, two new existence and uniqueness theorems for solutions of BSDEs are obtained. In the one-dimensional setting, these results generalize some corresponding results in Pardoux and Peng (Syst. Control Lett. 14:55–61, 1990), Mao (Stoch. Process. Their Appl. 58:281–292, 1995), El Karoui et al. (Math. Finance 7:1–72, 1997), Pardoux (Nonlinear Analysis, Differential Equations and Control, Montreal, QC, 1998, Kluwer Academic, Dordrecht, 1999), Cao and Yan (Adv. Math. 28(4):304–308, 1999), Briand and Hu (Probab. Theory Relat. Fields 136(4):604–618, 2006), and Jia (C. R. Acad. Sci. Paris, Ser. I 346:439–444, 2008).
机译:本文针对一维后向随机微分方程(BSDE)建立了一个广义比较定理,该方程的生成器在z中一致连续,在y中满足一种弱单调条件。作为应用,获得了BSDEs解的两个新的存在性和唯一性定理。在一维环境中,这些结果概括了Pardoux和Peng(Syst。Control Lett。14:55-61,1990),毛(Stoch。Process。他们的Appl。58:281-292,1995), El Karoui等。 (Math。Finance 7:1-72,1997),Pardoux(非线性分析,微分方程和控制,蒙特利尔,QC,1998,Kluwer Academic,Dordrecht,1999),Cao和Yan(Adv。Math。28(4): 304–308,1999年),布莱恩德和胡(Probab。Theory Relat。Fields 136(4):604–618,2006)和贾(CR Acad。Sci。Paris,Ser。I 346:439–444,2008) 。

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