Definition:Adapted Stochastic Process/Discrete Time

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Definition

Let $\struct {\Omega, \Sigma, \sequence {\FF_n}_{n \mathop \in \N}, \Pr}$ be a filtered probability space.

Let $\sequence {X_n}_{n \mathop \in \N}$ be a sequence of real-valued random variables.


We say that $\sequence {X_n}_{n \mathop \in \N}$ is an adapted stochastic process if and only if:

$X_n$ is $\FF_n$-measurable random variable for each $n \in \N$.


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