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On rectifiable oscillation of Emden-Fowler equations. (English) Zbl 1157.34027

The author studies the oscillatory behavior of the Emden-Fowler equation
\[ y''+f(x)| y| ^{\gamma-1}y=0,\quad \gamma>0,\quad \gamma\neq1 \] on a finite interval.

MSC:

34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations
34A34 Nonlinear ordinary differential equations and systems
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