Exponential Collocation Method for Solutions of Singularly Perturbed Delay Differential Equations by Şuayip Yüzbaşı, Mehmet Sezer

“…This paper deals with the singularly perturbed delay differential equations under boundary conditions. A numerical approximation based on the exponential functions is proposed to solve the singularly perturbed delay differential equations. …”
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Classical Theory of Linear Multistep Methods for Volterra Functional Differential Equations by Yunfei Li, Shoufu Li

“…The methods and theories presented in this paper are applicable to nonneutral, nonstiff, and nonlinear initial value problems in ODEs, Volterra delay differential equations (VDDEs), Volterra integro-differential equations (VIDEs), Volterra delay integro-differential equations (VDIDEs), etc. …”
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Second-Order Neutral Differential Equations: Improved Criteria for Testing the Oscillation by Osama Moaaz, Ali Muhib, Saud Owyed, Emad E. Mahmoud, Aml Abdelnaser

“…The main purpose of this study is to establish new improved conditions for testing the oscillation of solutions of second-order neutral differential equation rlu′lγ′+qlxβσl=0, where l≥l0 and ul≔xl+pxϱl. …”
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Multiplicity Result of Positive Solutions for Nonlinear Differential Equation of Fractional Order by Yang Liu, Zhang Weiguo

“…We investigate the existence of multiple positive solutions for a class of boundary value problems of nonlinear differential equation with Caputo’s fractional order derivative. …”
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On Maximal and Minimal Solutions for Set-Valued Differential Equations with Feedback Control by Ngo Van Hoa, Nguyen Dinh Phu

“…In this paper, we present the existence of extremal solutions of set-valued differential equations with feedback control on semilinear Hausdorff space under Hukuhara derivative which is developed under the form DHX(t)=F(t, X(t),H(t,X(t))), X(0)=X0,  for all t∈[0,T] with the monotone iterative technique and we will verify that monotone sequence of approximate solutions converging uniformly to the solution of the problem, that is useful for optimization problems.…”
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Techniques for Finding Analytical Solution of Generalized Fuzzy Differential Equations with Applications by Mudassir Shams, Nasreen Kausar, Naveed Yaqoob, Nayyab Arif, Gezahagne Mulat Addis

“…Engineering and applied mathematics disciplines that involve differential equations include classical mechanics, thermodynamics, electrodynamics, and general relativity. …”
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Subharmonic Solutions of Nonautonomous Second Order Differential Equations with Singular Nonlinearities by N. Daoudi-Merzagui, F. Derrab, A. Boucherif

“…We discuss the existence of subharmonic solutions for nonautonomous second order differential equations with singular nonlinearities. Simple sufficient conditions are provided enable us to obtain infinitely many distinct subharmonic solutions. …”
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Positive Solutions for BVP of Fractional Differential Equation with Integral Boundary Conditions by Min Li, Jian-Ping Sun, Ya-Hong Zhao

“…In this paper, we consider a class of boundary value problems of nonlinear fractional differential equation with integral boundary conditions. …”
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Periodic Averaging Principle for Neutral Stochastic Delay Differential Equations with Impulses by Peiguang Wang, Yan Xu

“…In this paper, we study the periodic averaging principle for neutral stochastic delay differential equations with impulses under non-Lipschitz condition. …”
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The $ L_1 $-induced norm analysis for linear multivariable differential equations by Junghoon Kim, Jung Hoon Kim

Subjects: “…linear multivariable differential equations…”
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New Exact Solutions for New Model Nonlinear Partial Differential Equation by A. Maher, H. M. El-Hawary, M. S. Al-Amry

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Asymptotic Stability of Fractional Stochastic Neutral Differential Equations with Infinite Delays by R. Sakthivel, P. Revathi, N. I. Mahmudov

“…We study the existence and asymptotic stability in pth moment of a mild solution to a class of nonlinear fractional neutral stochastic differential equations with infinite delays in Hilbert spaces. …”
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Asymptotic Behavior of Bifurcation Curve for Sine-Gordon-Type Differential Equation by Tetsutaro Shibata

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On Asymptotic Behaviour of Solutions to n-Dimensional Systems of Neutral Differential Equations by H. Šamajová, E. Špániková

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Iterative Construction of Fixed Points for Functional Equations and Fractional Differential Equations by Latif Ur Rahman, Muhammad Arshad, Sabri T. M. Thabet, Imed Kedim

“…This paper proposes some iterative constructions of fixed points for showing the existence and uniqueness of solutions for functional equations and fractional differential equations (FDEs) in the framework of CAT (0) spaces. …”
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Solution of Sequential Hadamard Fractional Differential Equations by Variation of Parameter Technique by Mohammed M. Matar

“…We obtain in this article a solution of sequential differential equation involving the Hadamard fractional derivative and focusing the orders in the intervals (1,2) and (2,3). …”
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Solvability and Optimal Controls of Semilinear Riemann-Liouville Fractional Differential Equations by Xue Pan, Xiuwen Li, Jing Zhao

“…We consider the control systems governed by semilinear differential equations with Riemann-Liouville fractional derivatives in Banach spaces. …”
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Existence of Solutions of Fractional Differential Equation with p-Laplacian Operator at Resonance by Zhigang Hu, Wenbin Liu, Jiaying Liu

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Introducing Randomness into First-Order and Second-Order Deterministic Differential Equations by John F. Moxnes, Kjell Hausken

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Fractional Order Stochastic Differential Equation with Application in European Option Pricing by Qing Li, Yanli Zhou, Xinquan Zhao, Xiangyu Ge

“…In recent years, fractional order ordinary differential equation is used as an effective instrument for describing the memory effect in complex systems. …”
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