An upper bound for the distance between a zero and a critical point of a solution of a second order linear differential equation |
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| Authors: | Pedro Almenar |
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| Affiliation: | a Vodafone Spain, S.A., P. E. Castellana Norte, 28050 Madrid, Spainb Instituto Universitario de Matemática Multidisciplinar, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain |
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| Abstract: | This paper presents an upper bound for the distance between a zero and a critical point of a solution of the second order linear differential equation (p(x)y′)′+q(x)y(x)=0, with p(x),q(x)>0. It also compares it with previous results. |
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| Keywords: | Distance between zeroes and critical points Disfocality Second order linear differential equation Prufer transformation |
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