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Positive Solutions of Boundary Value Problems for System of Nonlinear Fourth-Order Differential Equations
Boundary Value Problems volume 2007, Article number: 076493 (2007)
Abstract
Some existence theorems of the positive solutions and the multiple positive solutions for singular and nonsingular systems of nonlinear fourth-order boundary value problems are proved by using topological degree theory and cone theory.
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Xie, S., Zhu, J. Positive Solutions of Boundary Value Problems for System of Nonlinear Fourth-Order Differential Equations. Bound Value Probl 2007, 076493 (2007). https://doi.org/10.1155/2007/76493
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DOI: https://doi.org/10.1155/2007/76493