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Random self-decomposability and autoregressive processes [PDF]

open access: yesStatistics and Probability Letters, 2010
We introduce the notion of random self-decomposability and discuss its relation to the concepts of self-decomposability and geometric infinite divisibility. We present its connection with time series autoregressive schemes with regression coefficient that randomly turns on and off.
Tomasz J Kozubowski
exaly   +5 more sources

Discrete Analogues of Self-Decomposability and Stability [PDF]

open access: yesAnnals of Probability, 1979
Analogues are proposed for the concepts of self-decomposability and stability for distributions on the nonnegative integers. It turns out that these "discrete self-decomposable" and "discrete stable" distributions have properties that are quite similar to those of their continuous counterparts.
F W Steutel
exaly   +5 more sources

Free Self-decomposability and Unimodality of the Fuss–Catalan Distributions [PDF]

open access: yesJournal of Statistical Physics, 2020
16 pages, 2 ...
Wojciech Młotkowski   +2 more
exaly   +4 more sources

Correlating Lévy processes with self-decomposability: applications to energy markets [PDF]

open access: yesDecisions in Economics and Finance, 2021
AbstractBased on the concept of self-decomposability, we extend some recent multidimensional Lévy models built using multivariate subordination. Our aim is to construct multivariate Lévy processes that can model the propagation of the systematic risk in dependent markets with some stochastic delay instead of affecting all the markets at the same time ...
Matteo Gardini   +2 more
exaly   +5 more sources

On the self-decomposability of the Fréchet distribution

open access: yesIndagationes Mathematicae, 2013
Let $\{Γ_t, \, t\ge 0\}$ be the Gamma subordinator. Using a moment identification due to Bertoin-Yor (2002), we observe that for every $t > 0$ and $α\in (0,1)$ the random variable $Γ_t^{-α}$ is distributed as the exponential functional of some spectrally negative Lévy process.
Bosch, Pierre, Simon, Thomas
exaly   +3 more sources

SUBORDINATION, SELF-DECOMPOSABILITY AND SEMI-STABILITY [PDF]

open access: yesCommunications of the Korean Mathematical Society, 2006
Two main results are presented in relation to subor- dination, self-decomposability and semi-stability. One of the re- sult is that strict semi-stability of subordinand process by self- decomposable subordinator gives semi-selfdecomposability of the subordinated process.
Gyeong-Suk Choi   +2 more
exaly   +2 more sources

On the Self-Decomposability of the Half-Cauchy Distribution

open access: yesJournal of Mathematical Analysis and Applications, 1998
The half-Cauchy distribution function \(F(x)\) is determined as follows: \(F(x)=0\) for ...
exaly   +2 more sources

The Exponential Dispersion Model Generated by the Landau Distribution—A Comprehensive Review and Further Developments

open access: yesMathematics, 2023
The paper comprehensively studies the natural exponential family and its associated exponential dispersion model generated by the Landau distribution. These families exhibit probabilistic and statistical properties and are suitable for modeling skewed ...
Shaul K. Bar-Lev
doaj   +1 more source

Autoregressive Sequences Via Lévy Processes

open access: yesRevstat Statistical Journal, 2022
We use L´evy processes to develop a family of first-order autoregressive sequences of random variables with values in R+, called C-AR(1) processes. We obtain various distributional and regression properties for these processes and we establish a limit ...
Nadjib Bouzar
doaj   +1 more source

Mutant Number Laws and Infinite Divisibility

open access: yesAxioms, 2022
Concepts of infinitely divisible distributions are reviewed and applied to mutant number distributions derived from the Lea-Coulson and other models which describe the Luria-Delbrück fluctuation test.
Anthony G. Pakes
doaj   +1 more source

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