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  • Research Article
  • Open Access

Multiple Positive Solutions for Singular Elliptic Equations with Concave-Convex Nonlinearities and Sign-Changing Weights

Boundary Value Problems20092009:584203

  • Received: 5 December 2008
  • Accepted: 11 March 2009
  • Published:


We study existence and multiplicity of positive solutions for the following Dirichlet equations: in , on , where is a bounded domain with smooth boundary , , , , , and are continuous functions on which are somewhere positive but which may change sign on .


  • Differential Equation
  • Partial Differential Equation
  • Ordinary Differential Equation
  • Functional Equation
  • Elliptic Equation

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Authors’ Affiliations

Center for General Education, Chang Gung University, Kwei-Shan, Tao-Yuan, 333, Taiwan