Differential and Integral Equations

On the exact number of solutions of a singular boundary-value problem

Tamás L. Horváth and Péter L. Simon

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In this paper, we investigate the exact number of positive solutions of the Dirichlet boundary-value problem $u''-u^{-\gamma}+\beta=0$. We will show that the exact number of positive solutions can be 2, 1, 0, depending on the length of the interval and $\gamma$. This solves some open problems posed in [1].

Article information

Differential Integral Equations, Volume 22, Number 7/8 (2009), 787-796.

First available in Project Euclid: 20 December 2012

Permanent link to this document

Mathematical Reviews number (MathSciNet)

Zentralblatt MATH identifier

Primary: 34B16: Singular nonlinear boundary value problems
Secondary: 34B18: Positive solutions of nonlinear boundary value problems


Horváth, Tamás L.; Simon, Péter L. On the exact number of solutions of a singular boundary-value problem. Differential Integral Equations 22 (2009), no. 7/8, 787--796. https://projecteuclid.org/euclid.die/1356019548

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