A Lyapunov inequality for a second order
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P. Almenar; L. JΓ³dar
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Article
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2011
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Elsevier Science
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English
β 206 KB
This paper presents a Lyapunov-type inequality for the second order nonlinear equation (r(x)y β² ) β² + p(x)f (y(x)) = 0, with r(x), p(x) > 0 and f (y) odd and positive for y > 0. It also compares it with similar results.