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Rosana Rodríguez-López 《Nonlinear Analysis: Theory, Methods & Applications》2011,74(18):7226-7239
We study the existence of a solution to a nonlocal boundary value problem for a class of second-order functional differential equations with piecewise constant arguments. The equation studied includes terms depending on the derivative as well as delay arguments in the derivative. 相似文献
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Zuzana Došlá Mauro Marini Serena Matucci 《Journal of Difference Equations and Applications》2016,22(9):1244-1260
Some nonlocal boundary value problems, associated to a class of functional difference equations on unbounded domains, are considered by means of a new approach. Their solvability is obtained by using properties of the recessive solution to suitable half-linear difference equations, a half-linearization technique and a fixed point theorem in Frechét spaces. The result is applied to derive the existence of nonoscillatory solutions with initial and final data. Examples and open problems complete the paper. 相似文献
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We study the existence of positive solutions for the following boundary value problem on infinite interval for second-order functional differential equations:
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G.L. Karakostas K.G. Mavridis 《Journal of Mathematical Analysis and Applications》2003,282(2):567-577
By using the Krasnoselskii fixed point theorem on cones in Banach spaces some existence results of positive solutions of a boundary value problem concerning a second-order functional differential equation are given. 相似文献
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This paper presents a variety of existence results for nonlinear multi-point boundary value problem on the half-line. In particular, we consider
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This paper is concerned with boundary value problems for systems of nonlinear second-order differential equations. Under the suitable conditions, the existence and multiplicity of positive solutions are established by using abstract fixed-point theorems. 相似文献
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In this paper, the second-order m-point boundary value problem
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The existence of multiple positive solutions about the singular second-order m-point boundary value problem
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Wing-Sum Cheung Jingli Ren Patricia J.Y. Wong Dandan Zhao 《Journal of Mathematical Analysis and Applications》2007,330(2):900-915
In this paper, we investigate a second-order nonlinear difference equation with sign-changing nonlinearity subject to two different sets of nonlocal boundary conditions. The explicit expressions of the associated Green's functions are presented. By using a recently developed fixed point theorem, we establish sufficient conditions for the existence of multiple positive solutions of the boundary value problem. 相似文献
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路艳琼 《纯粹数学与应用数学》2010,26(6):1012-1020
研究一类二阶离散Neumann边值问题正解的存在性,运用不动点指数理论获得了方程存在正解的最优条件,并给出一个具体例子说明这一结果。 相似文献
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In this paper, we consider the nonlinear discrete boundary value problem
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We employ the critical point theory to establish the existence of nontrivial solutions for some boundary value problems of second-order difference equations. 相似文献
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Criteria are established for existence of multiple positive solutions to the boundary value problems expressed by second-order delay differential equations of the form
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This article is concerned with the existence of solutions of boundary value problems for nonlinear second-order difference equations of the type , where δ>0 is the ratio of odd positive integers, {pn} and {qn} are real sequences. The authors apply the Linking Theorem and the Mountain Pass Lemma in the critical point theory and give some new results for the existence of solutions. 相似文献
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In this paper, the second-order four-point boundary value problem
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Multiple symmetric positive solutions of a class of boundary value problems for higher order ordinary differential equations 总被引:3,自引:0,他引:3
John R. Graef Chuanxi Qian Bo Yang 《Proceedings of the American Mathematical Society》2003,131(2):577-585
In this paper, the authors consider the boundary value problem
and give sufficient conditions for the existence of any number of symmetric positive solutions of (E)-(B). The relationships between the results in this paper and some recent work by Henderson and Thompson (Proc. Amer. Math. Soc. 128 (2000), 2373-2379) are discussed.
and give sufficient conditions for the existence of any number of symmetric positive solutions of (E)-(B). The relationships between the results in this paper and some recent work by Henderson and Thompson (Proc. Amer. Math. Soc. 128 (2000), 2373-2379) are discussed.
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Blaise Kone 《Journal of Difference Equations and Applications》2013,19(10):1537-1547
In this paper, we prove the existence and uniqueness of weak solutions for a family of discrete boundary value problems for data f which belong to a discrete Hilbert space H. Moreover, as an extension, we prove some existence results of weak solutions for more general data f depending on the solution. 相似文献