A class of infinite-dimensional Gaussian processes defined through generalized fractional operators

L Beghin, L Cristofaro, Y Mishura - arXiv preprint arXiv:2309.13283, 2023 - arxiv.org
The generalization of fractional Brownian motion in infinite-dimensional white and grey
noise spaces has been recently carried over, following the Mandelbrot-Van Ness …

[HTML][HTML] A class of processes defined in the white noise space through generalized fractional operators

L Beghin, L Cristofaro, Y Mishura - Stochastic Processes and their …, 2024 - Elsevier
The generalization of fractional Brownian motion in the white and grey noise spaces has
been recently carried over, following the Mandelbrot–Van Ness representation, through …

Fox-H Densities and Completely Monotone Generalized Wright Functions

L Beghin, L Cristofaro, JL da Silva - Journal of Theoretical Probability, 2025 - Springer
Due to their flexibility, Fox-H functions are widely studied and applied to many research
topics, such as astrophysics, statistical mechanics, and probability. Well-known special …

Characterization and analysis of generalized grey incomplete gamma noise

W Bock, L Cristofaro - Stochastics, 2024 - Taylor & Francis
The grey incomplete gamma distributions was established by one of the authors in a
previous publication. In this article we use the Kondratiev characterization theorem to …

Fractional Ito Calculus for Randomly Scaled Fractional Brownian Motion and its Applications to Evolution Equations

YA Butko, M Mlinarzik - arXiv preprint arXiv:2412.14397, 2024 - arxiv.org
We define a fractional Ito stochastic integral with respect to a randomly scaled fractional
Brownian motion via an $ S $-transform approach. We investigate the properties of this …

Cameron–Martin type theorem for a class of non-Gaussian measures

JL da Silva, M Erraoui, M Röckner - Stochastic Analysis and …, 2024 - Taylor & Francis
In this article, we study the quasi-translation-invariant property of a class of non-Gaussian
measures. These measures are associated with the family of generalized grey Brownian …

Generalized random processes related to Hadamard operators and Le~ Roy measures

L Beghin, L Cristofaro, F Polito - arXiv preprint arXiv:2410.22880, 2024 - arxiv.org
The definition of generalized random processes in Gel'fand sense allows to extend well-
known stochastic models, such as the fractional Brownian motion, and study the related …

Generalized Wright Analysis in Infinite Dimensions

L Beghin, L Cristofaro, JL da Silva - arXiv preprint arXiv:2405.01665, 2024 - arxiv.org
This paper investigates a broad class of non-Gaussian measures, $\mu_\Psi $, associated
with a family of generalized Wright functions, $ _m\Psi_q $. First, we study these measures …

Models of Anomalous Diffusion and its analysis

MF AL-Saadony - Journal of Al-Rafidain University College For Sciences …, 2025 - jrucs.iq
The anomalous diffusion is characterized by deviation from Gaussian statistics and the
absence of a linear time dependency in the mean square displacement. This study …

Stochastic processes defined on infinite-dimensional spaces through fractional operators and grey noise measures

L Beghin - BOOK OF ABSTRACTS, 2024 - rzym.pan.pl
This model has been generalized in various directions either by replacing the white noise
measure by so-called grey noise measures (see [4],[1]), or by considering different fractional …