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641
Stability analysis for first-order nonlinear differential equations with three-point boundary conditions
Published 2020-06-01“…Several theorems are proved concerning the existence and uniqueness of solutions to the boundary value problems for the first order nonlinear system of ordinary differential equations with three-point boundary conditions. …”
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642
Asymptotic and numerical solutions for diffusion models for compounded risk reserves with dividend payments
Published 2004-01-01“…After defining the process of conditional probability in finite time, martingale theory turns the nonlinear stochastic differential equation to a special class of boundary value problems defined by a parabolic equation with a nonsmooth coefficient of the convection term. …”
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643
Constructive Existence of (1,1)-Solutions to Two-Point Value Problems for Fuzzy Linear Multiterm Fractional Differential Equations
Published 2019-01-01“…In this paper, we consider the following two-point boundary value problems of fuzzy linear fractional differential equations: (Dc1,1αy)(t)⊕b(t)⊗(Dc1,1βy)(t)⊕c(t)⊗y(t)=f(t), t∈(0,1), y(0)=y0 and y(1)=y1, where b,c∈C(I), b(t),c(t)≥0, y,f∈C(I,RF), I=[0,1], y0,y1∈RF and 1<β<α≤2. …”
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644
Construction of Exact Parametric or Closed Form Solutions of Some Unsolvable Classes of Nonlinear ODEs (Abel's Nonlinear ODEs of the First Kind and Relative Degenerate Equations)
Published 2011-01-01“…The nonlinear initial or boundary value problems are also investigated. Finally, introducing a relative mathematical methodology, we construct the exact parametric or closed form solutions for several degenerate Abel's equation of the first kind.…”
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645
Multipoint BVP for the Langevin Equation under φ-Hilfer Fractional Operator
Published 2022-01-01“…In this research paper, we consider a class of boundary value problems for a nonlinear Langevin equation involving two generalized Hilfer fractional derivatives supplemented with nonlocal integral and infinite-point boundary conditions. …”
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646
Least Square Homotopy Perturbation Method for Ordinary Differential Equations
Published 2021-01-01“…In this study, a new modification of the homotopy perturbation method (HPM) is introduced for various order boundary value problems (BVPs). In this modification, HPM is hybrid with least square optimizer and named as the least square homotopy perturbation method (LSHPM). …”
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647
Fixed Point Theory and the Liouville–Caputo Integro-Differential FBVP with Multiple Nonlinear Terms
Published 2022-01-01“…This work is reserved for the study of a special category of boundary value problems (BVPs) consisting of Liouville–Caputo integro-differential equations with multiple nonlinear terms. …”
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648
Modeling and Estimation of Thermal Flows Based on Transport and Balance Equations
Published 2020-01-01“…Using such models, boundary value problems can be solved to estimate the temperatures over all the length by means of measurements taken only at the boundaries. …”
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649
Periodic Solutions of Second Order Nonlinear Difference Equations with Singular ϕ-Laplacian Operator
Published 2014-01-01“…We obtain some existence results of solutions for discrete periodic boundary value problems with singular ϕ-Laplacian operator ∇Δuk/1-κ(Δuk)2+rkuk+mk/(uk)λ=ek, 2≤k≤N-1, u1=uN, and Δu1=ΔuN-1 by using the upper and lower solutions method and Brouwer degree theory, where κ>0 is a constant, r=(r2,…,rN-1), m=(m2,…,mN-1), e=(e2,…,eN-1)∈RN-2, and λ>0 is a parameter. …”
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650
Weyl-Titchmarsh Theory for Hamiltonian Dynamic Systems
Published 2010-01-01“…These investigations are part of a larger program which includes the following: (i) M(λ) theory for singular Hamiltonian systems, (ii) on the spectrum of Hamiltonian systems, (iii) on boundary value problems for Hamiltonian dynamic systems.…”
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651
Modeling and Simulation in Engineering Modeling of the Electrocoagulation Processes in Nonisothermal Conditions
Published 2019-01-01“…An asymptotic approximation of solutions of corresponding boundary value problems is constructed. Based on the received solutions, we conducted a computer simulation of the process of distribution of iron concentration inside the reactor that allows predicting various hydrodynamic phenomena such as internal recirculation and dead zones that affect the formation of a coagulant. …”
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652
Random 2D Composites and the Generalized Method of Schwarz
Published 2015-01-01“…First, deterministic boundary value problems are solved for all locations of inclusions, that is, for all events of the considered probabilistic space C by the generalized method of Schwarz. …”
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653
Numerical study of the influence of the parameters of statistical distribution of the structural elements’ ultimate strength on deformable bodies’ fracture processes
Published 2024-08-01“…The approach basing on the analysis of the solutions of the boundary value problems within the elasticity theory has been proposed in order to predict the fracture process kinetics, the corresponding parameters have been introduced. …”
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654
The Inverse Problem of Identification of Hydrogen Permeability Model
Published 2018-01-01“…The article presents boundary value problems of hydrogen permeability and thermal desorption with dynamical boundary conditions. …”
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655
Exact Asymptotic Expansion of Singular Solutions for the (2+1)-D Protter Problem
Published 2012-01-01“…We study three-dimensional boundary value problems for the nonhomogeneous wave equation, which are analogues of the Darboux problems in ℝ2. …”
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656
Arbitrary Order Fractional Difference Operators with Discrete Exponential Kernels and Applications
Published 2017-01-01“…Finally, a Lyapunov type inequality for the Riemann type fractional difference boundary value problems of order 2<α≤3 is proved and the ordinary difference Lyapunov inequality then follows as α tends to 2 from right. …”
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657
A Novel Approximation Method for Solving Ordinary Differential Equations Using the Representation of Ball Curves
Published 2025-01-01“…To demonstrate the proposed method, several boundary value problems are presented, and their performance is compared with existing methods in terms of error accuracy. …”
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658
A New Spectral Local Linearization Method for Nonlinear Boundary Layer Flow Problems
Published 2013-01-01“…The numerical results presented in this investigation indicate that the proposed method, despite being easy to develop and numerically implement, is very robust in that it converges rapidly to yield accurate results and is more efficient in solving very large systems of nonlinear boundary value problems of the similarity variable boundary layer type. …”
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659
Integration and Application of a Fabric-Based Modified Cam-Clay Model in FLAC<sup>3D</sup>
Published 2025-01-01“…In order to consider the effect of fabric anisotropy in the analysis of geotechnical boundary value problems, this study proposes a modified model based on a fabric-based modified Cam-clay model, which can account for the anisotropic response of soil. …”
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660
Dynamics of a diffusive age-structured HBV model with saturating incidence
Published 2016-06-01“…We first analyze the well-posedness of the initial-boundary values problem of the model in the bounded domain $\Omega\subset\mathbb{R}^n$ and obtain an explicit formula for the basic reproductive number $R_0$ of the model. …”
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