V: 12, 127-137, LNM 191 (1971)
DELLACHERIE, Claude; DOLÉANS-DADE, Catherine
Un contre-exemple au problème des laplaciens approchés (Martingale theory)
The ``approximate Laplacian'' method of computing the increasing process associated with a supermartingale does not always converge in the strong sense: solves a problem open for many years
Comment: Problem originated in Meyer, Ill. J. Math., 7, 1963
Keywords: Submartingales, Supermartingales
Nature: Original
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