Existence of Nontrivial Solutions for Some Second-Order Multipoint Boundary Value Problems by Hongyu Li, Junting Zhang

“…By using fixed point theorems with lattice structure, the existence of negative solution and sign-changing solution for some second-order multipoint boundary value problems is obtained.…”
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Maximal regular boundary value problems in Banach-valued function spaces and applications by Veli B. Shakhmurov

“…The nonlocal boundary value problems for differential operator equations of second order with dependent coefficients are studied. …”
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General existence principles for nonlocal boundary value problems with φ-Laplacian and their applications by Ravi P. Agarwal, Donal O'Regan, Svatoslav Stanek

“…The paper presents general existence principles which can be used for a large class of nonlocal boundary value problems of the form (φ(x′))′=f1(t,x,x′)+f2(t,x,x′)F1x+f3(t,x,x′)F2x,α(x)=0, β(x)=0, where fj satisfy local Carathéodory conditions on some [0,T]×𝒟j⊂ℝ2, fj are either regular or have singularities in their phase variables (j=1,2,3), Fi:C1[0,T]→C0[0,T](i=1,2), and α,β:C1[0,T]→ℝ are continuous. …”
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Boundary Value Problems for Fourth Order Nonlinear p-Laplacian Difference Equations by Qinqin Zhang

“…We consider the boundary value problem for a fourth order nonlinear p-Laplacian difference equation containing both advance and retardation. …”
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Mixed Initial-Boundary Value Problem for Telegraph Equation in Domain with Variable Borders by V. A. Ostapenko

“…Mixed initial-boundary value problem for telegraph equation in domain with variable borders is considered. …”
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Boundary value problems for second-order partial differential equations with operator coefficients by Eberhard Schock, Kudratillo S. Fayazov

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Existence and Multiplicity of Solutions to a Boundary Value Problem for Impulsive Differential Equations by Chunyan He, Yongzhi Liao, Yongkun Li

“…We investigate the existence and multiplicity of solutions to a boundary value problem for impulsive differential equations. …”
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Solvability for Discrete Fractional Boundary Value Problems with a p-Laplacian Operator by Weidong Lv

“…This paper is concerned with the solvability for a discrete fractional p-Laplacian boundary value problem. Some existence and uniqueness results are obtained by means of the Banach contraction mapping principle. …”
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Existence of Solutions for Boundary Value Problem of a Caputo Fractional Difference Equation by Zhiping Liu, Shugui Kang, Huiqin Chen, Jianmin Guo, Yaqiong Cui, Caixia Guo

“…We investigate the existence of solutions for a Caputo fractional difference equation boundary value problem. We use Schauder fixed point theorem to deduce the existence of solutions. …”
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Iterative Method for Solving the Second Boundary Value Problem for Biharmonic-Type Equation by Dang Quang A., Nguyen Van Thien

“…Solving boundary value problems (BVPs) for the fourth-order differential equations by the reduction of them to BVPs for the second-order equations with the aim to use the achievements for the latter ones attracts attention from many researchers. …”
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Multiplicity results for Schrodinger type fractional p-Laplacian boundary value problems by Emer Lopera, Leandro Recova, Adolfo Rumbos

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Boundary value problem with integral conditions for a linear third-order equation by M. Denche, A. Memou

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Study of Nonlocal Boundary Value Problem for the Fredholm–Volterra Integro-Differential Equation by K. R. Raslan, Khalid K. Ali, Reda Gamal Ahmed, Hind K. Al-Jeaid, Amira Abd-Elall Ibrahim

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Boundary Value Problem of Nonlinear Hybrid Differential Equations with Linear and Nonlinear Perturbations by Said Melliani, Abdelati El Allaoui, Lalla Saadia Chadli

“…The aim of this paper is to study a boundary value problem of the hybrid differential equation with linear and nonlinear perturbations. …”
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New Results for Multipoint Singular Boundary Value Problems on a Measure Chain by Yan Sun, Yongping Sun, Patricia J. Y. Wong

“…We study the existence and uniqueness of positive solutions for a class of singular m-point boundary value problems of second order differential equations on a measure chain. …”
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Existence of Solutions to Boundary Value Problems for the Discrete Generalized Emden-Fowler Equation by Tieshan He, Fengjian Yang

“…We consider the existence of solutions to boundary value problems for the discrete generalized Emden-Fowler equation. …”
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Fractional-order boundary value problems solutions using advanced numerical technique by Asmat Batool, Imran Talib, Muhammad Bilal Riaz

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Existence and uniqueness theorems for some fourth-order nonlinear boundary value problems by Ruyun Ma

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An Existence Result of Positive Solutions for Fully Second-Order Boundary Value Problems by Yongxiang Li, Yaya Shang

“…An existence result of positive solutions is obtained for the fully second-order boundary value problem  -u′′(t)=f(t,u(t),u′(t)),  t∈[0,1],  u(0)=u(1)=0, where f:[0,1]×R+×R→R is continuous. …”
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Solvability of a fourth order boundary value problem with periodic boundary conditions by Chaitan P. Gupta

“…Fourth order boundary value problems arise in the study of the equilibrium of an elastaic beam under an external load. …”
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