Phragmén-Lindelöf and comparison theorems for elliptic equations with mixed boundary conditions

1967 ◽  
Vol 26 (4) ◽  
pp. 316-334 ◽  
Author(s):  
J. K. Oddson
2004 ◽  
Vol 4 (4) ◽  
Author(s):  
Boumediene Abdellaoui ◽  
Eduardo Colorado ◽  
Ireneo Peral

AbstractWe study the problemswhere


2019 ◽  
Vol 39 (2) ◽  
pp. 159-174 ◽  
Author(s):  
Gabriele Bonanno ◽  
Giuseppina D'Aguì ◽  
Angela Sciammetta

In this paper, a nonlinear differential problem involving the \(p\)-Laplacian operator with mixed boundary conditions is investigated. In particular, the existence of three non-zero solutions is established by requiring suitable behavior on the nonlinearity. Concrete examples illustrate the abstract results.


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