New existence theorems of positive solutions for singular boundary value problems

DOI10.14232/EJQTDE.2006.1.13zbMath1117.34022OpenAlexW2377433889MaRDI QIDQ3427117

Xuemei Zhang, Mei-Qiang Feng, Weigao Ge

Publication date: 14 March 2007

Published in: Electronic Journal of Qualitative Theory of Differential Equations (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/127749

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zbMATH Keywords

upper and lower solutionsfixed point index

Mathematics Subject Classification ID

Nonlinear boundary value problems for ordinary differential equations (34B15) Theoretical approximation of solutions to ordinary differential equations (34A45) Degree theory for nonlinear operators (47H11) Positive solutions to nonlinear boundary value problems for ordinary differential equations (34B18) Singular nonlinear boundary value problems for ordinary differential equations (34B16)

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