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arXiv 0902.0539math.PR
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固定可能无穷大的多类系统的收敛性

Convergence of multi-class systems of fixed possibly infinite sizes

Carl Graham

摘要:

在自然部分交换假设下,研究了可能同时具有有限类和无限类的多类系统。证明了这样一个系统的条件律,给定其有限类的经验测度和其无限类的定向测度的向量(由de Finetti定理给出),对应于独立于每个类的采样,而不从有限类和i.i.d.从无限的指导措施。然后建立了具有固定类大小的多可交换系统的收敛性与相应测度向量的收敛性之间的等价性。

英文摘要:

Multi-class systems having possibly both finite and infinite classes are investigated under a natural partial exchangeability assumption. It is proved that the conditional law of such a system, given the vector of the empirical measures of its finite classes and directing measures of its infinite ones (given by the de Finetti Theorem), corresponds to sampling independently from each class, without replacement from the finite classes and i.i.d. from the directing measure for the infinite ones. The equivalence between the convergence of multi-exchangeable systems with fixed class sizes and the convergence of the corresponding vectors of measures is then established.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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