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Operator self similar stochastic processes in Rd

open access: yesStochastic Processes and Their Applications, 1981
AbstractOperator self similar stochastic processes taking values in a finite dimensional Euclidean space are introduced and some of their properties are studied.
V K Rohatgi
exaly   +3 more sources

Self-similarity and Lamperti convergence for families of stochastic processes [PDF]

open access: yesLithuanian Mathematical Journal, 2011
We define a new type of self-similarity for one-parameter families of stochastic processes, which applies to a number of important families of processes that are not self-similar in the conventional sense. This includes a new class of fractional Hougaard motions defined as moving averages of Hougaard Lévy process, as well as some well-known families of
Bent Jørgensen, Clarice G B Demetrio
exaly   +5 more sources

Two-particle anomalous diffusion: probability density functions and self-similar stochastic processes [PDF]

open access: yesPhilosophical Transactions Series A, Mathematical, Physical, and Engineering Sciences, 2013
Two-particle dispersion is investigated in the context of anomalous diffusion. Two different modelling approaches related to time subordination are considered and unified in the framework of self-similar stochastic processes. By assuming a single-particle fractional Brownian motion and that the two-particle correlation function decreases ...
Gianni Pagnini, Francesco Mainardi
exaly   +8 more sources

A class of self-similar stochastic processes with stationary increments to model anomalous diffusion in physics

open access: yesIntegral Transforms and Special Functions, 2009
In this paper we present a general mathematical construction that allows us to define a parametric class of $H$-sssi stochastic processes (self-similar with stationary increments), which have marginal probability density function that evolves in time according to a partial integro-differential equation of fractional type.
Francesco Mainardi
exaly   +4 more sources

Generalized Fractional Master Equation for Self-Similar Stochastic Processes Modelling Anomalous Diffusion [PDF]

open access: yesInternational Journal of Stochastic Analysis, 2012
The Master Equation approach to model anomalous diffusion is considered. Anomalous diffusion in complex media can be described as the result of a superposition mechanism reflecting inhomogeneity and nonstationarity properties of the medium. For instance, when this superposition is applied to the time-fractional diffusion process, the resulting Master ...
G. PAGNINI, A. MURA, MAINARDI, FRANCESCO
openaire   +4 more sources

Noncentral Limit Theorem for the Cubic Variation of a Class of Self-Similar Stochastic Processes [PDF]

open access: yesTheory of Probability and Its Applications, 2011
By using multiple Wiener–Ito stochastic integrals, we study the cubic variation of a class of self-similar stochastic processes with stationary increments (the Rosenblatt process with self-similarity order $H\in (\frac{1}{2}, 1)$). This study is motivated by statistical purposes.
Khalifa Es-Sebaiy
exaly   +2 more sources

Extracting features of Gaussian self-similar stochastic processes via the Bandt-Pompe approach [PDF]

open access: yesPhysical Review E, 2007
By recourse to appropriate information theory quantifiers (normalized Shannon entropy and Martín-Plastino-Rosso intensive statistical complexity measure), we revisit the characterization of Gaussian self-similar stochastic processes from a Bandt-Pompe viewpoint.
Rosso, O. A.   +7 more
core   +5 more sources

Elliptic Self Similar Stochastic Processes [PDF]

open access: yesRevista Matemática Iberoamericana, 1999
Let M be a random measure and L be an elliptic pseudo-differential operator on \mathbb{R}^d
Benassi, Albert, Roux, Daniel
openaire   +3 more sources

Estimation of stopping times for stopped self-similar random processes [PDF]

open access: yes, 2021
Let X=(Xt)t≥0 be a known process and T an unknown random time independent of X. Our goal is to derive the distribution of T based on an iid sample of XT. Belomestny and Schoenmakers (Stoch Process Appl 126(7):2092–2122, 2015) propose a solution based the
Schulmann, Viktor
core   +1 more source

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