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Stochastic continuity

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continuity in probability

A property of the sample functions of a stochastic process. A stochastic process $X(t)$ defined on a set $T \subseteq \mathbf{R}^1$ is called stochastically continuous on this set if for any $\epsilon > 0$ and all $t_0$, $$ \lim_{t \rightarrow t_0} \mathbf{P}\{\rho(X(t),X(t_0)) > \epsilon\} = 0 $$ where $\rho$ is the distance between points in the corresponding space of values of $X(t)$.

References

[1] Yu.V. [Yu.V. Prokhorov] Prohorov, Yu.A. Rozanov, "Probability theory, basic concepts. Limit theorems, random processes" , Springer (1979) (Translated from Russian)
How to Cite This Entry:
Stochastic continuity. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Stochastic_continuity&oldid=18160
This article was adapted from an original article by A.V. Prokhorov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article