Found 31 Documents (Results 1–31)

100
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On the existence of oscillatory solutions of the second-order nonlinear ODE. (English)Zbl 1279.34050

MSC:  34C11 34D05 34A12
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Singular problems on the half-line. (English)Zbl 1209.34037

MSC:  34B40 34B16 34C37
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Singular nonlinear problem for ordinary differential equation of the second order. (English)Zbl 1147.34012

MSC:  34B16 34B18
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MSC:  34B15
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First phases of the associated equation with parameters for the differential equation $$y''=q(t)y$$. (English)Zbl 0852.34014

Reviewer: S.Mazanik (Minsk)
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Fundamental central dispersions of the phase function with the final oscillation. (English)Zbl 0797.34031

MSC:  34C10 34A30 39B22
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A contribution to the phase theory of a linear second-order differential equation in the Jacobian form. (English)Zbl 0798.34009

Reviewer: S.Mazanik (Minsk)
MSC:  34A30 34C10
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On the position of nodes of associated equations to the differential equation $$y''-q(t)y=r(t)$$. (English)Zbl 0752.34023

MSC:  34C20 34A30
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On some continuities of phases theory and WKB method for linear differential equation of the second order. (English)Zbl 0752.34034

MSC:  34E20 34A30 34C10
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On a fundamental central dispersion of the first kind and the Abel functional equation in strongly regular spaces of continuous functions. (English)Zbl 0714.34112

Reviewer: T.Dłotko
MSC:  34K99 34C10 34C11
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On the properties of central dispersions of linear second order differential equations being of finite type-special. (English)Zbl 0713.34012

Reviewer: Ge Weigao
MSC:  34A30
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MSC:  34A30
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To the theory of central dispersions for the linear differential equations $$y''=q(t)y$$ of a finite type-special. (English)Zbl 0708.34011

Reviewer: L.Janos
MSC:  34A30
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The method of solution of the boundary value problem applied to a certain fourth order differential equation. (English)Zbl 0699.34018

Reviewer: D.Tiba
MSC:  34B10 34A30 34C10
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A phase of the differential equation $$y''=Q(t)y$$ with a complex coefficient Q of the real variable. (English)Zbl 0645.34007

Reviewer: S.Staněk
MSC:  34A30 34M99
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On transformations of two homogeneous linear second order differential equations of a general and of Sturm forms. (English)Zbl 0643.34048

Reviewer: J.Laitochová
MSC:  34C20 34A30
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On the focal points of solutions of a certain fourth order differential equation. (English)Zbl 0643.34040

Reviewer: V.Vlček
MSC:  34C10
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A note on the oscillation of solutions of the differential equation $$y''+\lambda q(t)y=0$$ with an almost periodic coefficient. (English)Zbl 0615.34043

MSC:  34C99 34A30
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On the intersection of groups of increasing dispersions in two second order oscillatory differential equations. (English)Zbl 0615.34042

MSC:  34C99 34A30
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Common increasing dispersions of certain linear second order differential equations. (English)Zbl 0615.34041

MSC:  34C99 34A30
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On the intersection of groups of dispersions of the equation $$y''=q(t)y$$ and of its accompanying equation. (English)Zbl 0596.34015

Reviewer: D.Bobrowski
MSC:  34C10
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On the intersection of the set of solutions of two Kummer’s differential equations. (English)Zbl 0596.34014

Reviewer: D.Bobrowski
MSC:  34C10
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On a distribution of zeros of solutions of an iterated differential equation of the $$n$$-th order. (English)Zbl 0586.34030

Reviewer: E.Wagenführer
MSC:  34C10 34A30
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On properties of derivatives of the basic central dispersion in an oscillatory equation $$y''=q(t)y$$ with an almost periodic coefficient q. (English)Zbl 0584.34026

Reviewer: J.E.Rubio
MSC:  34C10
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On the basic second kind central dispersion of $$y''=q(t)y$$ with an almost periodic coefficient q. (English)Zbl 0584.34025

Reviewer: J.E.Rubio
MSC:  34C10
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MSC:  34C20
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MSC:  34A30
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Higher monotonicity properties of i-th derivatives of solutions of $$y^ n+a(x)y'+b(x)y=0$$. (English)Zbl 0522.34033

MSC:  34C20 34A30
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MSC:  34E05
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On an application of the generalized Floquet theory to the transformation of the equation $$y^ n=$$q(t)y into its associated equation. (English)Zbl 0491.34039

MSC:  34C10 34A25 34C20
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On the properties of the fundamental dispersions of the equation $$y''=\lambda q(t)y$$. (English)Zbl 0438.34023

MSC:  34C10 34C11
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