Results 51 to 60 of about 2,389 (167)

Fractional transmission analysis of two strains of influenza dynamics

Results in Physics, 2022
A fractional system for transmission dynamics behavior of influenza infection with two strains is investigated and applied to the qualitative assess of crossing immunities on the expansion of the disease.
Ting Cui, Peijiang Liu
doaj   +1 more source

Neuronal Dynamics of an Intrinsically Bursting Neuron Through the Caputo–Fabrizio Fractal–Fractional Hodgkin–Huxley Model

International Journal of Differential Equations, Volume 2026, Issue 1, 2026.
This study introduces a novel fractal–fractional extension of the Hodgkin–Huxley model to capture complex neuronal dynamics, with particular focus on intrinsically bursting patterns. The key innovation lies in the simultaneous incorporation of Caputo–Fabrizio operators with fractional order α for memory effects and fractal dimension τ for temporal ...
M. J. Islam, M. J. Abedin, A. Hoque, M. G. Hafez, Jaume Giné   +4 more
wiley   +1 more source

A Caputo (discretization) fractional-order model of glucose-insulin interaction: numerical solution and comparisons with experimental data

Journal of Taibah University for Science, 2021
In this paper, we investigate a (discretization) Caputo fractional glucose-insulin model qualitatively with incommensurate orders that appear in Bergman's minimal model.
Mansoor H. Alshehri, Faisal Z. Duraihem, Ahmad Alalyani, Sayed Saber   +3 more
doaj   +1 more source

General relativistic null-cone evolutions with a high-order scheme

, 2012
We present a high-order scheme for solving the full non-linear Einstein equations on characteristic null hypersurfaces using the framework established by Bondi and Sachs.
B Gustafsson, B Szilágyi, C Reisswig, C Reisswig, C Reisswig, C Reisswig, CD Ott, Christian Reisswig, D Pollney, Denis Pollney, E Schnetter, F Löffler, H Bondi, JM Stewart, JN Goldberg, JR Driscoll, M Alcubierre, MC Babiuc, MC Babiuc, Nigel Bishop, NT Bishop, NT Bishop, NT Bishop, NT Bishop, NT Bishop, P Diener, R Bartnik, R Gómez, R Gómez, R Penrose, RK Sachs   +30 more
core   +1 more source

Comparison of Integer‐, Constant‐, and Variable‐Order Fractional Models of Competition for Student Population Using Caputo–Fabrizio Fractional Derivative With Policy Interventions

International Journal of Mathematics and Mathematical Sciences, Volume 2026, Issue 1, 2026.
This study develops constant‐order (CO) and variable‐order (VO) Caputo–Fabrizio (CF) fractional derivative (CFFD) models to extend the classical integer‐order framework for analyzing competition among public, private, and nonenrolled student populations under varying policy intervention intensities.
Kiprotich Ezra Bett, Cyrus Gitonga Ngari, Grace Gakii Muthuri, Kareem Elgindy   +3 more
wiley   +1 more source

Description and Convergence Order Analysis of the Finite Element‐Volume Spatial Discretization Method

International Journal for Numerical Methods in Fluids, Volume 97, Issue 9, Page 1189-1208, September 2025.
This article presents the principles of Finite Element‐Volume discretization and conducts an analysis of its properties and convergence orders. The discretization ensures local mass conservation, second‐order convergence for velocity, and first‐order convergence for pressure.
Maria Adela Puscas, Pierre‐Emmanuel Angeli, Nathalie Nouaime, Erell Jamelot   +3 more
wiley   +1 more source

One step multiderivative methods for first order ordinary differential equations [PDF]

, 1981
A family of one-step multiderivative methods based on Padé approximants to the exponential function is developed. The methods are extrapolated and analysed for use in PECE mode.
A. Q. M. Khaliq, A. R. Gourlay, B. L. Ehle, B. Lindberg, E. H. Twizell, J. D. Lambert, J. D. Lambert, J. D. Lawson, J. D. Lawson, O. Axelsson, W. E. Milne   +10 more
core   +1 more source

Derivation and Numerical Assessment of a Stochastic Large–Scale Hydrostatic Primitive Equations Model

Journal of Advances in Modeling Earth Systems, Volume 17, Issue 7, July 2025.
Abstract Planetary flows are shaped by interactions at scales much smaller than the flows themselves, with mesoscale and sub–mesoscale eddies playing key roles in mixing, particle transport and tracer dispersion. To capture these effects, we introduce a stochastic formulation of the primitive equations within the Location Uncertainty (LU) framework ...
Francesco L. Tucciarone, Long Li, Etienne Mémin, Pranav Chandramouli   +3 more
wiley   +1 more source

Dark Energy From the Gravitational Wave Background With Scalar Field Dark Matter

Astronomische Nachrichten, Volume 346, Issue 3-4, March-May 2025.
ABSTRACT Recent observational results, such as those from pulsar timing arrays (PTA), suggest a low‐frequency Gravitational Wave Background (GWB) permeates our universe. This opens the possibility that gravitational waves could span a broader spectrum, potentially impacting cosmological scales.
Edwin L. Pérez‐Ochoa, Tonatiuh Matos
wiley   +1 more source

Statistical Analysis of a Linear Multi-Step Numerical Treatment [PDF]

, 2023
The aim of this paper is to compare the relative accuracies between predictor-corrector methods, Adams-Bashforth method and Adams-Moulton method for solving initial value Differential Equations numerically to observe which methods tend to function well ...
L. Al-Harbi, O., T. Zaidi, A.
core   +1 more source