This paper at first generalize the classic doob ' s inequality which can be applied into more general functions 本文首先推广了古典的doob不等式,使其适用于更广泛的一类函数值,并在此基础上重新定义了一组鞅空间。
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Classic doob ' s inequality is one of the most important results in martingale theory and the basis of discussion of the general martingale spaces 古典的doob不等式是鞅理论中的一个重要结果,也是讨论一般鞅空间的基础。