Results 91 to 100 of about 11,797 (246)
Volterra Equations Driven by Semimartingales
In modelling systems corrupted by noise, stochastic integral equations of Volterra type arise. \textit{M. A. Berger} and \textit{V. J. Mizel} [J. Integral Equations 2, 187-245 and 319-337 (1980; Zbl 0442.60064 and Zbl 0452.60073, resp.)] handled the white noise case and conjectured that their results could be extended to the case when Brownian motion ...
openaire +3 more sources
In the present article, an emerging subdivision‐based technique is developed for the numerical solution of linear Volterra partial integrodifferential equations (LVPIDEs) of order four with a weakly singular kernel. To approximate the spatial derivatives, the basis function of the subdivision scheme is used, whereas the time discretization is done with
Zainab Iqbal +5 more
wiley +1 more source
This paper investigates the complex dynamics of a discrete‐time predator–prey system incorporating proportionate prey harvesting. The model is derived from a continuous system using the forward Euler discretization method and extends a previously studied model by introducing a harvesting term. First, the positivity of solutions is established to ensure
Saad Jamhan Aldosari +5 more
wiley +1 more source
Exponential Convergence for Numerical Solution of Integral Equations Using Radial Basis Functions
We solve some different type of Urysohn integral equations by using the radial basis functions. These types include the linear and nonlinear Fredholm, Volterra, and mixed Volterra-Fredholm integral equations.
Zakieh Avazzadeh +3 more
doaj +1 more source
Understanding Measles Contagion: A Fractional‐Order Model With Stability and Sensitivity Insights
In this paper, we propose an epidemiological mathematical model described by a system of nonlinear differential equations of fractional order (FODEs). Specifically, we employ the Caputo fractional derivative (CFD). Our analysis verifies the existence of a solution.
Mahmoud H. DarAssi +3 more
wiley +1 more source
Modeling Prey–Predator Populations With Noise Following the Extended Gaussian Distribution
This study examines how tourism influences the ecological balance of a protected natural park where two interacting wildlife species follow Lotka–Volterra‐type prey–predator dynamics. Tourists’ decisions to visit the park depend on environmental fluctuations, species visibility, and time‐varying preferences toward prey and predator populations.
Kumlachew Wubale Tesfaw +3 more
wiley +1 more source
High-order Volterra integro-differential equations are of great interest to many authors because of their important applications in physics and engineering, especially if they contain delay or pantograph terms that enable them to describe the memory ...
Ali H. Tedjani +2 more
doaj +1 more source
Ergodicity for Stochastic Neutral Retarded Partial Differential Equations Driven by $\alpha$-regular Volterra process [PDF]
Xia Pan, Zhi Li
openalex
ON A SINGULAR VOLTERRA EQUATION
The equation \[ f(p) = 2 \int^ \infty_ p {F(r) \over \bigl( 1 - (p/r)^ 2 \bigr)^{1/2}} dr, \quad r \in (0, \infty) \] where \(f \in C^ 1 [0,\infty)\) is a given function such that \(\lim_{p \to \infty}\) \(pf(p)\) does exist, is important in the investigation of electromagnetic cascades.
openaire +2 more sources

