The properties of fractional Gaussian Process and their Applications

Y Chen, Y Li - arXiv preprint arXiv:2309.10415, 2023 - arxiv.org
The process $(G_t) _ {t\in [0, T]} $ is referred to as a fractional Gaussian process if the first-
order partial derivative of the difference between its covariance function and that of the …

Kolmogorov bounds in the CLT of the LSE for Gaussian Ornstein Uhlenbeck processes

MF Balde, R Belfadli, K Es-Sebaiy - Stochastics and Dynamics, 2023 - World Scientific
In this paper, we consider the Ornstein–Uhlenbeck (OU) process defined as solution to the
equation d X t=− 𝜃 X tdt+ d G t, X 0= 0, where {G t, t≥ 0} is a Gaussian process with …

Statistical inference for the first-order autoregressive process with the fractional Gaussian noise

Y Huang, W Xiao, X Yu - Quantitative Finance, 2024 - Taylor & Francis
While the statistical inference of first-order autoregressive processes driven by independent
and identically distributed noises has a long history, the statistical analysis for first-order …

An Improved Berry-Esseen Bound of Least Squares Estimation for Fractional Ornstein-Uhlenbeck Processes

Y Chen, X Gu - arXiv preprint arXiv:2210.00420, 2022 - arxiv.org
The aim of this paper is twofold. First, it offers a novel formula to calculate the inner product
of the bounded variation function in the Hilbert space $\mathcal {H} $ associated with the …

Chebyshev--Hermite Polynomials and Distributions of Polynomials in Gaussian Random Variables

VI Bogachev - Theory of Probability & Its Applications, 2022 - SIAM
\bad This paper gives a survey of several directions of research connected with Chebyshev--
Hermite polynomials on finite-dimensional and infinite-dimensional spaces, in particular, of …

Wasserstein bounds in CLT of approximative MCE and MLE of the drift parameter for Ornstein-Uhlenbeck processes observed at high frequency

K Es-Sebaiy, F Alazemi, M Al-Foraih - Journal of Inequalities and …, 2023 - Springer
This paper deals with the rate of convergence for the central limit theorem of estimators of
the drift coefficient, denoted θ, for the Ornstein-Uhlenbeck process X:={X t, t≥ 0} observed at …

Distributions of second order polynomials in Gaussian random variables

ED Kosov - Mathematical Notes, 2022 - Springer
In this paper, we study bounds for the total variation distance between distributions of
second order polynomials in normal random variables provided that they essentially depend …

Wasserstein Bounds in the CLT of the MLE for the Drift Coefficient of a Stochastic Partial Differential Equation

K Es-Sebaiy, M Al-Foraih, F Alazemi - Fractal and Fractional, 2021 - mdpi.com
In this paper, we are interested in the rate of convergence for the central limit theorem of the
maximum likelihood estimator of the drift coefficient for a stochastic partial differential …

Parameter estimation for fractional stochastic heat equations: Berry-Ess\'een bounds in CLTs

S Douissi, F Alshahrani - arXiv preprint arXiv:2409.05416, 2024 - arxiv.org
The aim of this work is to estimate the drift coefficient of a fractional heat equation driven by
an additive space-time noise using the Maximum likelihood estimator (MLE). In the first part …

Gaussian and hermite Ornstein–Uhlenbeck processes

K Es-Sebaiy - Stochastic Analysis and Applications, 2023 - Taylor & Francis
In the present paper we study the asymptotic behavior of the auto-covariance function for
Ornstein–Uhlenbeck (OU) processes driven by Gaussian noises with stationary and non …