175 publication(s) trouvée(s)
Article scientifique
An SEIR model with infected immigrants and recovered emigrants
We present a deterministic SEIR model of the said form. The population in point can be considered as consisting of …
Article scientifique
Matrix computational collocation approach based on rational Chebyshev functions for nonlinear differential equations
Abstract In this work, a numerical technique for solving general nonlinear ordinary differential equations (ODEs) with variable coefficients and given …
Article scientifique
A mathematical analysis of Hopf-bifurcation in a prey-predator model with nonlinear functional response
Abstract In this paper, our aim is mathematical analysis and numerical simulation of a prey-predator model to describe the effect …
Article scientifique
Transmission dynamics model of Tuberculosis with optimal control strategies in Haramaya district, Ethiopia
Abstract In this study, we use a compartmental nonlinear deterministic mathematical model to investigate the effect of different optimal control …
Article scientifique
Mathematical analysis and optimal control interventions for sex structured syphilis model with three stages of infection and loss of immunity
In this study, we develop a nonlinear ordinary differential equation to study the dynamics of syphilis transmission incorporating controls, namely …
Article scientifique
New oscillation theorems for a class of even-order neutral delay differential equations
Abstract In this work, we study the oscillatory behavior of even-order neutral delay differential equations $\upsilon ^{n}(l)+b(l)u(\eta (l))=0$ υn(l)+b(l)u(η(l))=0 , …
Article scientifique
Even-order differential equation with continuous delay: nonexistence criteria of Kneser solutions
Abstract In this paper, we study even-order DEs where we deduce new conditions for nonexistence Kneser solutions for this type …
Article scientifique
On a fractional-order p-Laplacian boundary value problem at resonance on the half-line with two dimensional kernel
Abstract In this work, we consider the solvability of a fractional-order p-Laplacian boundary value problem on the half-line where the …
Article scientifique
Multidimensional sampling theorems for multivariate discrete transforms
Abstract This paper is devoted to the establishment of two-dimensional sampling theorems for discrete transforms, whose kernels arise from second …
Article scientifique
Lyapunov stability analysis for nonlinear delay systems under random effects and stochastic perturbations with applications in finance and ecology
Abstract This manuscript is involved in the study of stability of the solutions of functional differential equations (FDEs) with random …
Article scientifique
Modeling and analysis of taeniasis and cysticercosis transmission dynamics in humans, pigs and cattle
Abstract Taeniasis and cysticercosis pose a significant challenge to food safety and public health. Cysticercosis reduces the market value for …
Article scientifique
Analysis of Atangana–Baleanu fractional-order SEAIR epidemic model with optimal control
We consider a SEAIR epidemic model with Atangana-Baleanu fractional-order derivative. We approximate the solution of the model using the numerical …
Article scientifique
An algorithm for approximating a common solution of some nonlinear problems in Banach spaces with an application
Abstract In this paper, we construct a new Halpern-type subgradient extragradient iterative algorithm. The sequence generated by this algorithm converges …
Article scientifique
On Chandrasekhar functional integral inclusion and Chandrasekhar quadratic integral equation via a nonlinear Urysohn–Stieltjes functional integral inclusion
Abstract We investigate the existence of solutions for a nonlinear integral inclusion of Urysohn–Stieltjes type. As applications, we give a …
Article scientifique
A mathematical model for fall armyworm management on maize biomass
Abstract Fall armyworm (Spodoptera frugiperda), a highly destructive and fast spreading agricultural pest native to North and South America, poses …
Article scientifique
A robust numerical solution to a time-fractional Black–Scholes equation
Abstract Dividend paying European stock options are modeled using a time-fractional Black–Scholes (tfBS) partial differential equation (PDE). The underlying fractional …
Article scientifique
Shifted ultraspherical pseudo-Galerkin method for approximating the solutions of some types of ordinary fractional problems
Abstract In this work, a technique for finding approximate solutions for ordinary fraction differential equations (OFDEs) of any order has …
Article scientifique
Contributions of the fixed point technique to solve the 2D Volterra integral equations, Riemann–Liouville fractional integrals, and Atangana–Baleanu integral operators
Abstract In this manuscript, some fixed point results for generalized contractive type mappings under mild conditions in the setting of …
Article scientifique
Oscillation tests for first-order linear differential equations with non-monotone delays
Abstract We study the oscillation of a first-order linear delay differential equation. A new technique is developed and used to …
Article scientifique
A fractional complex network model for novel corona virus in China
As is well known the novel coronavirus (COVID-19) is a zoonotic virus and our model is concerned with the effect …