2020
DOI: 10.1515/math-2020-0056
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Sharper existence and uniqueness results for solutions to fourth-order boundary value problems and elastic beam analysis

Abstract: We examine the existence and uniqueness of solutions to two-point boundary value problems involving fourth-order, ordinary differential equations. Such problems have interesting applications to modelling the deflections of beams. We sharpen traditional results by showing that a larger class of problems admit a unique solution. We achieve this by drawing on fixed-point theory in an interesting and alternative way via an application of Rus’s contraction mapping theorem. The idea is to utilize two metrics on a me… Show more

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Cited by 10 publications
(15 citation statements)
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“…For the nonlinear boundary, there are few studies at present, and the theories need to be further studied. For the linear boundary, by contrast to [1], the condition of Theorem 3.4 is not optimal. The results in [1] offer an advancement over traditional approaches based on the Rus fixed point theorem and two metrics.…”
Section: Theorem 34mentioning
confidence: 96%
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“…For the nonlinear boundary, there are few studies at present, and the theories need to be further studied. For the linear boundary, by contrast to [1], the condition of Theorem 3.4 is not optimal. The results in [1] offer an advancement over traditional approaches based on the Rus fixed point theorem and two metrics.…”
Section: Theorem 34mentioning
confidence: 96%
“…For the linear boundary, by contrast to [1], the condition of Theorem 3.4 is not optimal. The results in [1] offer an advancement over traditional approaches based on the Rus fixed point theorem and two metrics. It is notable that the method used in [1] seems to be invalid for (1.3), (1.4) because the nonlinear boundary conditions are dominated by the function of u( 1).…”
Section: Theorem 34mentioning
confidence: 96%
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“…This is in contrast to third order approaches where there are constants of integration in the equation and a fourth "hanging" boundary condition to consider. In addition, the mathematical theory regarding solutions to fourth order BVPs has recently been advanced in directions [1] that potentially can shine new light on (1.1), (1.2) and so we feel that this presents a timely opportunity to directly work with the form of the fourth order BVP (1.1), (1.2).…”
Section: Introductionmentioning
confidence: 99%
“…Published by Cambridge University Press on behalf of Australian Mathematical Publishing Association Inc. S. S. G. Almuthaybiri [2] are researching the theoretical aspects of differential equations, and those who are interested in better understanding their applications. Some of the research from the thesis has been published in [1][2][3][4][5][6].…”
mentioning
confidence: 99%