Results 21 to 30 of about 238,951 (299)

Fractional integration analysis of precipitation dynamics: empirical insights from Nigeria

open access: yesTellus: Series A, Dynamic Meteorology and Oceanography, 2021
This paper deals with the time series analysis of precipitation patterns in Africa’s most populated nation using recently developed flexible modelling techniques to study the monthly precipitation data of some major economically viable and highly ...
O.O. Awe, L.A. Gil-Alana
doaj   +1 more source

Regime-Switching Fractionally Integrated Asymmetric Power Neural Network Modeling of Nonlinear Contagion for Chaotic Oil and Precious Metal Volatilities

open access: yesFractal and Fractional, 2022
This paper aims at analyzing nonlinear dependence between fractionally integrated, chaotic precious metal and oil prices and volatilities. With this respect, the Markov regime-switching fractionally integrated asymmetric power versions of generalized ...
Melike Bildirici, Özgür Ömer Ersin
doaj   +1 more source

Fractional Quantum Integral Inequalities [PDF]

open access: yesJournal of Inequalities and Applications, 2011
Several authors have studied fractional integral inequalities and applications [\textit{S. L. Kalla} and \textit{A. Rao}, Matematiche 66, 59--66 (2011; Zbl 1222.26023); \textit{Z. Denton} and \textit{A. S. Vatsala}, Comput. Math. Appl. 59, No. 3, 1087--1094 (2010; Zbl 1189.26044); \textit{G. A. Anastassiou}, Comput. Math. Appl. 54, No.
Umut Mutlu Özkan   +1 more
openaire   +2 more sources

Numerical Simulation of Fractional Delay Differential Equations Using the Operational Matrix of Fractional Integration for Fractional-Order Taylor Basis

open access: yesFractal and Fractional, 2021
In this paper, we consider numerical solutions for a general form of fractional delay differential equations (FDDEs) with fractional derivatives defined in the Caputo sense.
İbrahim Avcı 
doaj   +1 more source

Review of Some Promising Fractional Physical Models [PDF]

open access: yes, 2015
Fractional dynamics is a field of study in physics and mechanics investigating the behavior of objects and systems that are characterized by power-law non-locality, power-law long-term memory or fractal properties by using integrations and ...
Tarasov, Vasily E.
core   +1 more source

Numerical Solution of Fokker-Planck-Kolmogorov Time Fractional Differential Equations Using Legendre Wavelet Method Along with convergence and error analysis [PDF]

open access: yesمدل‌سازی پیشرفته ریاضی
The purpose of this paper is to present an efficient numerical method for finding numerical solutions Fokker-Planck-Kolmogorov time-fractional differential equations.The Legendre wavelet approach was employed for this objective. The Legendre wave was the
شعبان محمدی   +1 more
doaj   +1 more source

Consumer Sentiment and Luxury Behavior in the United States before and after COVID-19: Time Trends and Persistence Analysis

open access: yesMathematics, 2023
This paper analyzes the stochastic properties of consumer sentiment to understand how they affected the luxury sector in the United States before and after COVID-19.
Berta Marcos Ceron, Manuel Monge
doaj   +1 more source

Fractional integrals and derivatives: mapping properties [PDF]

open access: yes, 2016
This survey is aimed at the audience of readers interested in the information on mapping properties of various forms of fractional integration operators, including multidimensional ones, in a large scale of various known function spaces.As is well known,
Rafeiro, Humberto, Samko, Stefan
core   +1 more source

Particulate Matter 2.5 (PM2.5): Persistence and Trends in the Air Quality of Five India Cities

open access: yesAtmosphere
Poor air quality in India has sparked our interest in studying the time series dynamics of PM2.5 in India’s five most populous cities (Mumbai, New Delhi, Hyderabad, Chennai, and Kolkata).
Luis A. Gil-Alana   +1 more
doaj   +1 more source

Long Memory in Earthquake Time Series: The Case Study of the Geysers Geothermal Field

open access: yesFrontiers in Earth Science, 2021
The present study aims at proving the existence of long memory (or long-range dependence) in the earthquake process through the analysis of time series of induced seismicity.
S. Barani   +5 more
doaj   +1 more source

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