Author:
Kulik Rafal,Spodarev Evgeny
Abstract
AbstractWe introduce a definition of long range dependence of random processes and fields on an (unbounded) index space
$T\subseteq \mathbb{R}^d$
in terms of integrability of the covariance of indicators that a random function exceeds any given level. This definition is specifically designed to cover the case of random functions with infinite variance. We show the value of this new definition and its connection to limit theorems via some examples including subordinated Gaussian as well as random volatility fields and time series.
Publisher
Cambridge University Press (CUP)
Subject
Statistics, Probability and Uncertainty,General Mathematics,Statistics and Probability
Cited by
2 articles.
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