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Existence of logarithmic-type solutions to the Kapila-Kassoy problem in dimensions 3 through 9 - MaRDI portal

Existence of logarithmic-type solutions to the Kapila-Kassoy problem in dimensions 3 through 9 (Q1105091)

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scientific article; zbMATH DE number 4057949
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Existence of logarithmic-type solutions to the Kapila-Kassoy problem in dimensions 3 through 9
scientific article; zbMATH DE number 4057949

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    Existence of logarithmic-type solutions to the Kapila-Kassoy problem in dimensions 3 through 9 (English)
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    1987
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    The authors investigate the differential equation \[ y''+(\frac{n-1}{x}- \frac{x}{2})y'+e^ y-1=0,\quad 0<x<\infty \] and denote by y(x,\(\alpha)\) the solution of it satisfying \(y(0)=\alpha \in {\mathbb{R}}\) and \(y'(0)=0\). They prove that for each integer \(n\in (2,10)\) there is an unbounded sequence of positive numbers \(\{\bar\alpha_ m(n)\}^{\infty}_{m=1}\) such that the solutions \(y(x,{\bar\alpha}_ m)\) satisfy the limit condition: \(\lim_{x\to \infty}[1+(1/2)xy'(x)]=0.\)
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    second order differential equation
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