Young-Stieltjes integrals with respect to Volterra covariance functions

Young-Stieltjes integrals with respect to Volterra covariance functions
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关于 Volterra 协方差函数的 Young-Stieltjes 积分

DOI:
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发表时间:
2018
影响因子:
1.3
通讯作者:
Nengli Lim
Nengli Lim
中科院分区:
数学4区
文献类型:
--
作者:
Nengli Lim

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摘要被积函数与积分函数的互补正则性是积分在Riemann-Stieltjes意义下存在的充分条件。这个条件也适用于多维情况,特别是二维积分。本文在积分器g是沃尔泰拉协方差函数的假设下,给出了积分存在的一个新条件。我们引入了强Hölder双连续性的概念,并证明了如果被积函数具有这一性质,则可以放松关于互补正则性的假设,从而使积分的Riemann-Stieltjes和收敛.
Abstract Complementary regularity between the integrand and integrator is a well known condition for the integral to exist in the Riemann-Stieltjes sense. This condition also applies to the multi-dimensional case, in particular the 2 D integral . In the paper, we give a new condition for the existence of the integral under the assumption that the integrator g is a Volterra covariance function. We introduce the notion of strong Hölder bi-continuity, and show that if the integrand possess this property, the assumption on complementary regularity can be relaxed for the Riemann-Stieltjes sums of the integral to converge.
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DOI: 10.1017/cbo9780511845079
发表时间: 2010
期刊:
影响因子: --
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DOI: 10.1214/09-aihp202
发表时间: 2010
期刊: Annales de l'Institut Henri Poincaré, Probabilités et Statistiques
影响因子: --
作者:
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