The existence of countably many positive solutions for nonlinear singular m-point boundary value problems on the half-line

  • Authors:
  • Sihua Liang;Jihui Zhang

  • Affiliations:
  • Institute of Mathematics, School of Mathematics and Computer Sciences, Nanjing Normal University, 210097, Jiangsu, PR China and College of Mathematics, Changchun Normal University, Changchun 13003 ...;Institute of Mathematics, School of Mathematics and Computer Sciences, Nanjing Normal University, 210097, Jiangsu, PR China

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2008

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Abstract

In this paper, by introducing a new operator, improving and generating a p-Laplace operator for some p1, we study the existence of countably many positive solutions for nonlinear boundary value problems on the half-line (@f(u^'))^'+a(t)f(u(t))=0,0R is the increasing homeomorphism and positive homomorphism and @f(0)=0. We show the sufficient conditions for the existence of countably many positive solutions by using the fixed-point index theory and a new fixed-point theorem in cones.