We study the existence and multiplicity of positive solutions of the nonlinear equation u''(x) + λh(x)f(u(x)) = 0 subject to nonlinear boundary conditions. The method of upper and lower solutions and degree theory arguments are used.
@article{bwmeta1.element.bwnjournal-article-apmv69z2p155bwm,
author = {D. R. Dunninger and Haiyan Wang},
title = {Multiplicity of positive solutions for a nonlinear differential equation with nonlinear boundary conditions},
journal = {Annales Polonici Mathematici},
volume = {69},
year = {1998},
pages = {155-165},
zbl = {0921.34024},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-apmv69z2p155bwm}
}
D. R. Dunninger; Haiyan Wang. Multiplicity of positive solutions for a nonlinear differential equation with nonlinear boundary conditions. Annales Polonici Mathematici, Tome 69 (1998) pp. 155-165. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-apmv69z2p155bwm/
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