Abstract
New results on the oscillation of solutions of $f''+A(z)f=0$ and on the growth of solutions of $f''+A(z)f'+B(z)f=0$ are obtained, where $A$ and $B$ are entire functions. Petrenko's magnitudes of deviation of $g$ with respect to $\infty$ play a key rôle in the results, where $g$ represents one of the coefficients $A$ or $B$.
Citation
Janne Heittokangas. Mohamed Amine Zemirni. "On Petrenko's deviations and second order differential equations." Kodai Math. J. 44 (1) 181 - 193, March 2021. https://doi.org/10.2996/kmj44111
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