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  • Research Article
  • Open Access

Positive Solutions of Boundary Value Problems for System of Nonlinear Fourth-Order Differential Equations

Boundary Value Problems20072007:076493

https://doi.org/10.1155/2007/76493

  • Received: 23 March 2006
  • Accepted: 5 December 2006
  • Published:

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.

Keywords

  • Differential Equation
  • Partial Differential Equation
  • Ordinary Differential Equation
  • Functional Equation
  • Existence Theorem

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Authors’ Affiliations

(1)
Department of Mathematics, Suzhou College, Suzhou, 234000, China
(2)
School of Mathematics Science, Xuzhou Normal University, Xuzhou, 221116, China

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