File:AnkiBasicExample3.png

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Summary

Given: [$](\Omega,\mathcal{F},\mathbb{P})[/$] is a probability space [$]I[/$] is an index set with total order [$]\leq[/$] [$]\mathbb{F}=(\mathcal{F}_i)_{i\in I}[/$] is a filtration of the sigma algebra [$]\mathbb{F}[/$] [$](S,\Sigma)[/$] is a measurable space [$]X:I\times\Omega\rightarrow S[/$] is a stochastic process

If [$]X_i:\Omega\rightarrow S[/$] is a [$](\mathcal{F}_i,\Sigma)[/$]-measurable function, what is [$]X[/$] with respect to the filtration [$](\mathcal{F}_i)_{i\in I}[/$]?

X is an "adapted process" which is adapted to the filtration

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Date/TimeThumbnailDimensionsUserComment
current14:47, 10 March 2023Thumbnail for version as of 14:47, 10 March 2023793 × 457 (52 KB)Kevin Wang (talk | contribs)Given: [$](\Omega,\mathcal{F},\mathbb{P})[/$] is a probability space [$]I[/$] is an index set with total order [$]\leq[/$] [$]\mathbb{F}=(\mathcal{F}_i)_{i\in I}[/$] is a filtration of the sigma algebra [$]\mathbb{F}[/$] [$](S,\Sigma)[/$] is a measurable space [$]X:I\times\Omega\rightarrow S[/$] is a stochastic process If [$]X_i:\Omega\rightarrow S[/$] is a [$](\mathcal{F}_i,\Sigma)[/$]-measurable function, what is [$]X[/$] with respect to the filtration [$](\mathcal{F}_i)_{i\in I}[/$]? X i...

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