Some martingale analogues of Sawyer's two-weight norm inequality for the Hardy-Littlewood maximal function Mf are shown for the Doob maximal function of martingales.
@article{bwmeta1.element.bwnjournal-article-smv111i2p187bwm,
author = {Xiang-Qian Chang},
title = {Some Sawyer type inequalities for martingales},
journal = {Studia Mathematica},
volume = {108},
year = {1994},
pages = {187-194},
zbl = {0812.42012},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv111i2p187bwm}
}
Chang, Xiang-Qian. Some Sawyer type inequalities for martingales. Studia Mathematica, Tome 108 (1994) pp. 187-194. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv111i2p187bwm/
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