Multiple solutions for mixed boundary value problems with phi-Laplacian operators

Using Leray-Schauder degree theory and the method of upper and lower solutions we establish existence and multiplicity of solutions for problems of the form $$\displaylines{ (\phi(u'))' = f(t,u,u') \cr u(0)= u(T)=u'(0), }$$ where $\phi$ is an increasing homeomorphism su...

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Bibliographic Details
Main Author: Dionicio Pastor Dallos Santos
Format: Article
Language:English
Published: Texas State University 2020-06-01
Series:Electronic Journal of Differential Equations
Subjects:
Online Access:http://ejde.math.txstate.edu/Volumes/2020/67/abstr.html