The full moment problem on subsets of probabilities and point configurations

The full moment problem on subsets of probabilities and point configurations
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概率子集和点配置的全矩问题

DOI:
10.1016/j.jmaa.2019.123551
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发表时间:
2020
影响因子:
1.3
通讯作者:
Infusino M
Infusino M
中科院分区:
数学3区
文献类型:
--
作者:
Infusino M

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本文的目的是研究无限维向量空间中某些特殊的非线性子集K上的测度的全K-矩问题。我们重点研究随机测度的情形,即K是Rd上所有非负Radon测度的子集.我们认为K的空间的子概率,概率和点配置的RD。对于这些空间中的每一个,我们提供了至少一个表示作为一个广义基本封闭半代数集应用Infusino等人的主要结果。(2014)[20]。我们证明,这一主要结果可以显着改善进一步考虑的基础上,特别选择的表示K。在K是点配置空间的情况下,相关函数(也称为阶乘矩函数)比普通矩函数更容易处理。因此,我们另外表示的相关函数的主要结果。
The aim of this paper is to study the full K− moment problem for measures supported on some particular non-linear subsets K of an infinite dimensional vector space. We focus on the case of random measures, that is K is a subset of all non-negative Radon measures on R d. We consider as K the space of sub-probabilities, probabilities and point configurations on R d. For each of these spaces we provide at least one representation as a generalized basic closed semi-algebraic set to apply the main result in Infusino et al.(2014)[20]. We demonstrate that this main result can be significantly improved by further considerations based on the particular chosen representation of K. In the case when K is a space of point configurations, the correlation functions (also known as factorial moment functions) are easier to handle than the ordinary moment functions. Hence, we additionally express the main results in terms of correlation functions.
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发表时间: 2004-05
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