Journal
JOURNAL OF DIFFERENTIAL EQUATIONS
Volume 266, Issue 2-3, Pages 1462-1487Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2018.08.002
Keywords
Singular term; Superlinear term; Positive solution; Nonlinear regularity truncations; Comparison principles; Minimal positive solutions
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We consider a nonlinear Dirichlet problem driven by the p-Laplace operator and with a right-hand side which has a singular term and a parametric superlinear perturbation. We are interested in positive solutions and prove a bifurcation-type theorem describing the changes in the set of positive solutions as the parameter lambda > 0 varies. In addition, we show that for every admissible parameter lambda > 0 the problem has a smallest positive solution (u) over bar (lambda) and we establish the monotonicity and continuity properties of the map lambda -> (u) over bar (lambda). (C) 2018 Elsevier Inc. All rights reserved.
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