Results 1 to 10 of about 87 (50)

Existence and stability of traveling waves in parabolic systems of differential equations with weak diffusion

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2022
The aim of the present paper is to investigate of some properties of periodic solutions of a nonlinear autonomous parabolic systems with a periodic condition.
I.I. Klevchuk
doaj   +1 more source

Continuous operator method application for direct and inverse scattering problems

open access: yesЖурнал Средневолжского математического общества, 2021
We describe the continuous operator method for solution nonlinear operator equations and discuss its application for investigating direct and inverse scattering problems.
Boykov Ilya V.   +3 more
doaj   +1 more source

Approximate Methods for Solving Linear and Nonlinear Hypersingular Integral Equations

open access: yesAxioms, 2020
We propose an iterative projection method for solving linear and nonlinear hypersingular integral equations with non-Riemann integrable functions on the right-hand sides.
Ilya Boykov   +2 more
doaj   +1 more source

Sixth-Kind Chebyshev and Bernoulli Polynomial Numerical Methods for Solving Nonlinear Mixed Partial Integrodifferential Equations with Continuous Kernels

open access: yesJournal of Function Spaces, 2023
In the present paper, a new efficient technique is described for solving nonlinear mixed partial integrodifferential equations with continuous kernels.
Abeer M. Al-Bugami   +2 more
doaj   +1 more source

Study of time-fractional delayed differential equations via new integral transform-based variation iteration technique

open access: yesNonlinear Engineering, 2023
The present article proposes a new-integral transform-based variational iteration technique (NTVIT) to study the behavior of higher-order nonlinear time-fractional delayed differential equations.
Singh Brajesh K.   +4 more
doaj   +1 more source

Positive Invertibility of Matrices and Exponential Stability of Linear Stochastic Systems with Delay

open access: yesInternational Journal of Differential Equations, 2022
The work addresses the exponential moment stability of solutions of large systems of linear differential Itô equations with variable delays by means of a modified regularization method, which can be viewed as an alternative to the technique based on ...
Ramazan Kadiev, Arcady Ponosov
doaj   +1 more source

Predicting Milling Stability Based on Composite Cotes-Based and Simpson’s 3/8-Based Methods

open access: yesMicromachines, 2022
Avoiding chatter in milling processes is critical for obtaining machined parts with high surface quality. In this paper, we propose two methods for predicting the milling stability based on the composite Cotes and Simpson’s 3/8 formulas.
Xu Du, Pengfei Ren, Junqiang Zheng
doaj   +1 more source

Ulam–Hyers stability of impulsive integrodifferential equations with Riemann–Liouville boundary conditions

open access: yesAdvances in Difference Equations, 2020
This paper is concerned with a class of impulsive implicit fractional integrodifferential equations having the boundary value problem with mixed Riemann–Liouville fractional integral boundary conditions. We establish some existence and uniqueness results
Akbar Zada   +3 more
doaj   +1 more source

Time-Delay Synchronization and Anti-Synchronization of Variable-Order Fractional Discrete-Time Chen–Rossler Chaotic Systems Using Variable-Order Fractional Discrete-Time PID Control

open access: yesMathematics, 2021
In this research paper, we solve the problem of synchronization and anti-synchronization of chaotic systems described by discrete and time-delayed variable fractional-order differential equations. To guarantee the synchronization and anti-synchronization,
Joel Perez Padron   +3 more
doaj   +1 more source

Asymptotic behaviour of mild solution of nonlinear stochastic partial functional equations

open access: yesNonlinear Analysis, 2019
This paper presents conditions to assure existence, uniqueness and stability for impulsive neutral stochastic integrodifferential equations with delay driven by Rosenblatt process and Poisson jumps.
Mamadou Abdoul Diop   +3 more
doaj   +1 more source

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