Every nonnegative submartingale is the absolute value of a martingale
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Publication:1240966
DOI10.1214/aop/1176995809zbMath0364.60076OpenAlexW1998207159MaRDI QIDQ1240966
Publication date: 1977
Published in: The Annals of Probability (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1214/aop/1176995809
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