

Publisher: Springer Publishing Company
ISSN: 0236-5294
Source: Acta Mathematica Hungarica, Vol.93, Iss.1-2, 2001-10, pp. : 7-25
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Abstract
In this paper atomic decompositions for two-parameter vector-valued martingales are given. With the help of the atomic decompositions the relations between the mutual embedding of two-parameter vector-valued martingale spaces and geometric properties of Banach spaces are investigated. Our study shows that geometric properties of Banach spaces determine the embedding of martingale spaces and conversely the latter can characterize the former.
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