From constant to rough: A survey of continuous volatility modeling

G Di Nunno, K Kubilius, Y Mishura… - Mathematics, 2023 - mdpi.com
In this paper, we present a comprehensive survey of continuous stochastic volatility models,
discussing their historical development and the key stylized facts that have driven the field …

Deep learning-based parameter estimation of stochastic differential equations driven by fractional Brownian motions with measurement noise

J Feng, X Wang, Q Liu, Y Li, Y Xu - Communications in Nonlinear Science …, 2023 - Elsevier
This study proposes a general parameter estimation neural network (PENN) to jointly
identify the system parameters and the noise parameters of a stochastic differential equation …

Fusing deep learning features for parameter identification of a stochastic airfoil system

J Feng, X Wang, Q Liu, Y Xu, J Kurths - Nonlinear Dynamics, 2024 - Springer
This work proposes a data-driven parameter identification approach for a two-degree-of-
freedom airfoil system with cubic nonlinearity and stochasticity, where the random turbulent …

Inferring nonlinear fractional diffusion processes from single trajectories

JA Kassel, B Walter, H Kantz - New Journal of Physics, 2023 - iopscience.iop.org
We present a method to infer the arbitrary space-dependent drift and diffusion of a nonlinear
stochastic model driven by multiplicative fractional Gaussian noise from a single trajectory …

[图书][B] Stochastic analysis of mixed fractional Gaussian processes

Y Mishura, M Zili - 2018 - books.google.com
Stochastic Analysis of Mixed Fractional Gaussian Processes presents the main tools
necessary to characterize Gaussian processes. The book focuses on the particular case of …

Maximum likelihood estimation for the fractional Vasicek model

K Tanaka, W Xiao, J Yu - Econometrics, 2020 - mdpi.com
This paper estimates the drift parameters in the fractional Vasicek model from a continuous
record of observations via maximum likelihood (ML). The asymptotic theory for the ML …

Mandelbrot's stochastic time series models

NW Watkins - Earth and Space Science, 2019 - Wiley Online Library
I survey and illustrate the main time series models that Mandelbrot introduced into time
series analysis in the 1960s and 1970s. I focus particularly on the members of the additive …

Positive solutions of the fractional SDEs with non-Lipschitz diffusion coefficient

K Kubilius, A Medžiūnas - Mathematics, 2020 - mdpi.com
We study a class of fractional stochastic differential equations (FSDEs) with coefficients that
may not satisfy the linear growth condition and non-Lipschitz diffusion coefficient. Using the …

Estimation of the Hurst index of the solutions of fractional SDE with locally Lipschitz drift

K Kubilius - Nonlinear analysis: modelling and control, 2020 - epublications.vu.lt
Abstract [eng] Strongly consistent and asymptotically normal estimate of the Hurst index H
are obtained for stochastic differential equations (SDEs) that have a unique positive solution …

An M-estimator for stochastic differential equations driven by fractional Brownian motion with small Hurst parameter

K Chiba - Statistical Inference for Stochastic Processes, 2020 - Springer
Let us consider a stochastic differential equation driven by a fractional Brownian motion with
Hurst parameter 1/4< H< 1/2 1/4< H< 1/2. We are interested in estimating the drift parameter …