Journal ArticleDOI
A note on bifurcation from infinity
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This article is published in Quarterly Journal of Mathematics.The article was published on 1974-01-01. It has received 18 citations till now. The article focuses on the topics: Bogdanov–Takens bifurcation & Saddle-node bifurcation.read more
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Bifurcation from Zero or Infinity in Sturm–Liouville Problems Which Are Not Linearizable
TL;DR: In this paper, the authors consider the nonlinear Sturm-Liouville problem and show that there exist global continua of nontrivial solutions (λ, u) bifurcating fromu = 0 or u = ∞, respectively.
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Notes on the bifurcation theorem
Kung-Ching Chang,Zhi-Qiang Wang +1 more
TL;DR: In this article, a unified approach to bifurcations both at the origin and at infinity is presented based on the Conley index theory, which provides improvements of the existing theory.
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Blow up points of solution curves for a semilinear problem
TL;DR: In this article, a semilinear elliptic equation with an asymptotic linear nonlinearity was studied, and the exact multiplicity of solutions were obtained under various conditions on the nonsmoothness and the spectrum set.
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Exact multiplicity of solutions to superlinear and sublinear problems
TL;DR: In this article, the semilinear equation (1.1) with f satisfying (f1), (f2) has been studied extensively since early 1970s, and several variational methods have been proposed.