Skorokhod's embedding theorem: Difference between revisions

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Skorokhod's first embedding theorem: who has copy-pasted this note? trivial? when you read book and you can follow all parts of proof it can be obvious, but without it is certainly not
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:<math>\mathbb{E}[\tau^{2}] \leq 4 \mathbb{E}[X^{4}].</math>
 
(Naturally, the above inequality is trivial unless ''X'' has finite fourth [[moment (mathematics)|moment]].)
 
==Skorokhod's second embedding theorem==