Nonlinear Boundary Value Problems on Semi-Infinite Intervals using Weighted Spaces: An Upper and Lower Solution Approach

Donal O'Regan; Baoqiang Yan; Ravi P. Agarwal
February 2007
Positivity;Feb2007, Vol. 11 Issue 1, p171
Academic Journal
Abstract??This paper presents a lower and upper solution approach for singular second order boundary value problems on the half line and establishes the existence of positive, unbounded and monotone solutions.


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