EXISTENCE AND UNIQUENESS OF SOLUTIONS FOR A NEUMANN BOUNDARY-VALUE PROBLEM

Benmansour, SafiaBouchekif, Mohammed2013-04-182013-04-182011-09-141072-6691https://dspace.univ-tlemcen.dz/handle/112/1797ELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS, ISSN : 1072-6691,Issue : 118, Volume : 2011, pp. 1–5, 14 SEP 2011.In this article, we show the existence and uniqueness of positive solutions for perturbed Neumann boundary-value problems of second-order diﬀerential equations. We use a ﬁxed point theorem for general α-concave operators.enPositive solutionexistence and uniquenessnormal conealpha-concave operatorGreen's functionEXISTENCE AND UNIQUENESS OF SOLUTIONS FOR A NEUMANN BOUNDARY-VALUE PROBLEMArticle