Original article at: http://www.math.washington.edu/~ejpecp/ECP/viewarticle.php?id=2062

Sharp inequality for bounded submartingales and their differential subordinates

Adam Osekowski, University of Warsaw

Abstract

Let α be a fixed number from the interval [0,1]. We obtain the sharp probability bounds for the maximal function of the process which is α-differentially subordinate to a bounded submartingale. This generalizes the previous results of Burkholder and Hammack.

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Original article at: http://www.math.washington.edu/~ejpecp/ECP/viewarticle.php?id=2062