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On the convergence of series determining the boundaries of the regions of instability of solutions of a second order linear differential equation with periodic coefficients

โœ Scribed by K.G. Valeev


Publisher
Elsevier Science
Year
1963
Tongue
English
Weight
663 KB
Volume
27
Category
Article
ISSN
0021-8928

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On the Nonoscillatory Behavior of Soluti
โœ Horng-Jaan Li; Cheh-Chih Yeh ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 633 KB

In this paper, we improve the Sturm comparison theorem and two nonoscillation criteria of LEIGHTON and WINTNER, and establish two variants of a WINTNER'S nonoscillatory criterion of the second order linear differential equation where r, c : [to,co) -+ IR, T > 0 a.e. on [to,m) and f , c E L 1 ( t o