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Difference between revisions of "Predictable random process"

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A [[Stochastic process|stochastic process]] <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/p/p074/p074400/p0744001.png" /> that is measurable (as a mapping <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/p/p074/p074400/p0744002.png" />) with respect to the [[Predictable sigma-algebra|predictable sigma-algebra]] <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/p/p074/p074400/p0744003.png" />, where <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/p/p074/p074400/p0744004.png" />.
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A [[Stochastic process|stochastic process]] $X=(X_t(\omega),\mathcal F_t)$ that is measurable (as a mapping $(\omega,t)\to X(\omega,t)=X_t(\omega)$) with respect to the [[Predictable sigma-algebra|predictable sigma-algebra]] $\mathcal P=\mathcal P(\mathbf F)$, where $\mathbf F=(\mathcal F_t)_t$.
  
  

Revision as of 19:01, 30 July 2014

A stochastic process $X=(X_t(\omega),\mathcal F_t)$ that is measurable (as a mapping $(\omega,t)\to X(\omega,t)=X_t(\omega)$) with respect to the predictable sigma-algebra $\mathcal P=\mathcal P(\mathbf F)$, where $\mathbf F=(\mathcal F_t)_t$.


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References

[a1] C. Dellacherie, P.A. Meyer, "Probabilities and potential" , B , North-Holland (1982) (Translated from French)
[a2] R.S. Liptser, A.N. Shiryaev, "Statistics of random processes" , II , Springer (1978) pp. 301ff (Translated from Russian)
[a3] R.Sh. Liptser, A.N. [A.N. Shiryaev] Shiryayev, "Theory of martingales" , Kluwer (1989) (Translated from Russian)
How to Cite This Entry:
Predictable random process. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Predictable_random_process&oldid=17727
This article was adapted from an original article by A.N. Shiryaev (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article