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Zbl 0709.34031
Tesaříková, Eva
On equation y"-q(t)y of finite type, 1-special, with the same central dispersion of the first kind. (English)
[J] Acta Univ. Palacki. Olomuc., Fac. Rerum Nat., Math. 28, 191-226 (1989). ISSN 0231-9721

Some properties of linear differential equations of the type $y''=q(t)y$ which have the same central dispersion of the first kind on their definition interval are investigated. According to the author central dispersions of the first kind are functions which map ``the zeros of an arbitrary solution $y''$ of the equation above ``onto the zeros of the same solution''.
[P.Smith]

MSC 2000:: *34C10 Qualitative theory of oscillations of ODE: Zeros, etc.
34A30 Linear ODE and systems

Keywords: central dispersion

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