On Markovian solutions to Markov Chain BSDEs

On Markovian solutions to Markov Chain BSDEs
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DOI:
10.3934/naco.2012.2.257
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发表时间:
2011-11
期刊:
Numerical Algebra, Control and Optimization
影响因子:
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通讯作者:
Samuel N. Cohen;L. Szpruch
Samuel N. Cohen;L. Szpruch
中科院分区:
其他
文献类型:
--
作者:
Samuel N. Cohen;L. Szpruch

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研究了带噪声的有限状态马氏链随机微分方程。我们表明,这些方程的解决方案是“马尔可夫”,在这个意义上说,他们是确定性的功能的基础链的状态,被积函数必须是一个特定的形式。这使我们能够连接这些方程耦合系统的常微分方程,从而给出快速的数值方法的马尔可夫链BSDES的评估。
We study (backward) stochastic differential equations with noise coming from a finite state Markov chain. We show that, for the solutions of these equations to be `Markovian', in the sense that they are deterministic functions of the state of the underlying chain, the integrand must be of a specific form. This allows us to connect these equations to coupled systems of ODEs, and hence to give fast numerical methods for the evaluation of Markov-Chain BSDEs.