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arXiv 0904.3240math.PR
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随机递归的弱解:一个显式构造

Weak Solutions of stochastic recursions: an explicit construction

Pascal Moyal

摘要:

当不假设$ϕ$的单调性时,我们提出了半序波兰空间上形式为$X\circθ=ϕ(X)$的平稳随机递归解的显式构造。这个解存在于一个丰富的概率空间(称为\emph{weak})上,只要递归是格值的,并且由一个适当的单调随机递归控制。

英文摘要:

We propose an explicit construction of the solution of a stationary stochastic recursion of the form $X\circθ=ϕ(X)$ on a semi-ordered Polish space, when the monotonicity of $ϕ$ is not assumed. This solution exists on an enriched probability space (it is said \emph{weak}), provided the recursion is lattice-valued, and dominated by a proper monotonic stochastic recursion.

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