Abstract
In this paper, we establish a result of Leray-Schauder degree on the order interval which is induced by a pair of strict lower and upper solutions for a system of second-order ordinary differential equations. As applications, we prove the global existence of positive solutions for a multi-parameter system of second-order ordinary differential equations with respect to parameters. The discussion is based on the result of Leray-Schauder degree on the order interval and the fixed point index theory in cones.
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Supported in part by the National Natural Science Foundation (No. 11101404) of China and the Fundamental Research Funds for the Central Universities (No. lzujbky-2012-11).
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Cheng, Xy., Yan, Xl. A multiplicity result of positive solutions for a class of multi-parameter ordinary differential systems. Acta Math. Appl. Sin. Engl. Ser. 28, 653–662 (2012). https://doi.org/10.1007/s10255-012-0180-4
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DOI: https://doi.org/10.1007/s10255-012-0180-4