Rényi entropy and divergence for VARFIMA processes based on characteristic and impulse response functions

JE Contreras-Reyes - Chaos, Solitons & Fractals, 2022 - Elsevier
Rényi entropy based on characteristic function has been used as an information measure
contained in wide-sense and real stationary vector autoregressive and moving average …

Understanding the nature of the long-range memory phenomenon in socioeconomic systems

R Kazakevičius, A Kononovicius, B Kaulakys, V Gontis - Entropy, 2021 - mdpi.com
In the face of the upcoming 30th anniversary of econophysics, we review our contributions
and other related works on the modeling of the long-range memory phenomenon in …

Order flow in the financial markets from the perspective of the Fractional Lévy stable motion

V Gontis - Communications in Nonlinear Science and Numerical …, 2022 - Elsevier
It is a challenging task to identify the best possible models based on given empirical data of
observed time series. Though the financial markets provide us with a vast amount of …

Forecasting the romanian unemployment rate in time of health crisis—a univariate vs. multivariate time series approach

AAM Davidescu, SA Apostu, A Marin - International Journal of …, 2021 - mdpi.com
Economic crises cause significant shortages in disposable income and a sharp decline in
the living conditions, affecting healthcare sector, hitting the profitability and sustainability of …

Identifying diffusive motions in single-particle trajectories on the plasma membrane via fractional time-series models

K Burnecki, G Sikora, A Weron, MM Tamkun, D Krapf - Physical Review E, 2019 - APS
In this paper we show that an autoregressive fractionally integrated moving average time-
series model can identify two types of motion of membrane proteins on the surface of …

Tempered linear and non-linear time series models and their application to heavy-tailed solar flare data

J Susan Kabala, K Burnecki, F Sabzikar - Chaos: An Interdisciplinary …, 2021 - pubs.aip.org
In this paper, we introduce two tempered linear and non-linear time series models, namely,
an autoregressive tempered fractionally integrated moving average (ARTFIMA) with α-stable …

Energy-Aware Multicriteria Control Performance Assessment

PD Domański - Energies, 2024 - mdpi.com
Generally, control system design and the associated assessment of control system quality
focuses on cutting-edge performance. Most of the approaches and applied indicators aim for …

Modeling of water usage by means of ARFIMA–GARCH processes

J Gajda, G Bartnicki, K Burnecki - Physica A: Statistical Mechanics and its …, 2018 - Elsevier
This paper addresses an important problem of modeling and prediction of phenomena with
antipersistent behavior and variance changing in time. As a proper stochastic model we …

Fractional Lévy Stable Motion from a Segmentation Perspective

AA Stanislavsky, A Weron - Fractal and Fractional, 2024 - mdpi.com
The segmentation analysis of the Golding–Cox mRNA dataset clarifies the description of
these trajectories as a Fractional Lévy Stable Motion (FLSM). The FLSM method has several …

An efficient algorithm for extracting the magnitude of the measurement error for fractional dynamics

G Sikora, E Kepten, A Weron, M Balcerek… - Physical Chemistry …, 2017 - pubs.rsc.org
Modern live-imaging fluorescent microscopy techniques following the stochastic motion of
labeled tracer particles, ie single particle tracking (SPT) experiments, have uncovered …