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首页> 外文期刊>Journal of Functional Analysis >Semicircular limits on the free Poisson chaos:Counterexamples to a transfer principle
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Semicircular limits on the free Poisson chaos:Counterexamples to a transfer principle

机译:自由泊松混沌的半圆极限:转移原理的反例

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摘要

We establish a class of sufficient conditions ensuring that a sequence of multiple integrals with respect to a free Poisson measure converges to a semicircular limit. We use this result to construct a set of explicit counterexamples showing that the transfer principle between classical and free Brownian motions (recently proved by Kemp, Nourdin, Peccati and Speicher (2012)) does not extend to the framework of Poisson measures. Our counterexamples implicitly use kernels appearing in the classical theory of random geometric graphs. Several new results of independent interest are obtained as necessary steps in our analysis, in particular:(i) a multiplication formula for free Poisson multiple integrals, (ii) diagram formulae and spectral bounds for these objects, and (iii) a counterexample to the general universality of the Gaussian Wiener chaos in a classical setting.
机译:我们建立了一类足够的条件,以确保关于自由泊松测度的多个积分序列收敛到半圆极限。我们用这一结果构建了一组明确的反例,表明经典运动与自由布朗运动之间的传递原理(最近由肯普,努尔丁,佩卡蒂和斯佩彻(2012)证明)并未扩展到泊松测度的框架。我们的反例隐含地使用了经典的随机几何图论中出现的内核。作为我们分析中的必要步骤,获得了一些具有独立利益的新结果,尤其是:(i)自由泊松多重积分的乘法公式,(ii)这些对象的图式和谱界,以及(iii)相对论的反例在经典环境中,高斯维纳混沌的普遍普遍性。

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