Multiplicity of positive solutions for a third-order boundary value problem with nonlocal conditions of integral type by Sergey Smirnov

“…We prove the existence of multiple positive solutions for a nonlinear third-order nonlocal boundary value problem by applying Krasnosel’skii’s fixed point theorem. To illustrate the applicability of the obtained results, we consider an example.…”
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Positive Solutions for Boundary Value Problem of Nonlinear Fractional Differential Equation by Moustafa El-Shahed

“…Our analysis relies on Krasnoselskiis fixed point theorem of cone preserving operators. …”
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Green’s Function and Positive Solutions for a Second-Order Singular Boundary Value Problem with Integral Boundary Conditions and a Delayed Argument by Xuemei Zhang, Meiqiang Feng

“…Furthermore, several new and more general results are obtained for the existence of positive solutions for the above problem by using Krasnosel’skii’s fixed point theorem. We discuss our problems with a delayed argument, which may concern optimization issues of some technical problems. …”
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