Publication: Singular higher-order semipositone nonlinear eigenvalue problems
Issued Date
2007-08-01
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ISSN
12013390
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2-s2.0-34249950134
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Mahidol University
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SCOPUS
Bibliographic Citation
Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis. Vol.14, No.4 (2007), 565-576
Suggested Citation
Xinguang Zhang, Lishan Liu, Benchawan Wiwatanapataphee, Yonghong Wu Singular higher-order semipositone nonlinear eigenvalue problems. Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis. Vol.14, No.4 (2007), 565-576. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/24618
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Title
Singular higher-order semipositone nonlinear eigenvalue problems
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Abstract
In this paper, we consider the existence of positive solutions to the following singular higher-order semipositone eigenvalue problem (HSEP): {(-1)(n-k)u(n)(t) = λ[f(t, u(t)) + q(t)], 0 < t < 1, u(i)(0) = 0, 0 ≤ i ≤ k - 1, u(i)(1) = 0, 0 ≤ i ≤ n-k-1, where n ≥ 2, 1 ≤ k ≤ n - 1, and λ > 0 is a parameter. The functions f and q may have singularity at t = 0 and (or) 1, and furthermore, the nonlinear function may change sign for 0 < t < 1. Without making any monotone-type assumptions, we obtain the positive solution of the problem for λ lying in some interval, based on the Krasnaselskii's fixedpoint theorem in a cone. Copyright © 2007 Watam Press.