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Vestnik Udmurtskogo Universiteta. Matematika. Mekhanika. Komp'yuternye Nauki, 2023, Volume 33, Issue 2, Pages 212–224
DOI: https://doi.org/10.35634/vm230202
(Mi vuu845)
 

MATHEMATICS

On the type of the meromorphic function of finite order

M. V. Kabanko

Kursk State University, ul. Radishcheva, 33, Kursk, 305000, Russia
References:
Abstract: Let $f(z)$ be a meromorphic function on the complex plane of finite order $\rho>0$. Let $\rho(r)$ be a proximate order in the sense of Boutroux such that $\limsup\limits_{r\to\infty}\rho(r)=\rho$, $\liminf\limits_{r\to\infty}\rho(r)=\alpha>0$. If $[\alpha]<\alpha\leqslant\rho<[\alpha]+1$ then the types of $T(r,f)$ and $|N|(r,f)$ coincide with respect to $\rho(r)$. If there are integers between $\alpha$ and $\rho$, then the resulting criterion is formulated in terms of the upper density of zeros and poles of the function $f$ and their argument symmetry.
Keywords: meromorphic function, function order, function type, upper density, argument symmetry.
Received: 14.11.2022
Accepted: 29.05.2023
Bibliographic databases:
Document Type: Article
UDC: 517.53
Language: Russian
Citation: M. V. Kabanko, “On the type of the meromorphic function of finite order”, Vestn. Udmurtsk. Univ. Mat. Mekh. Komp. Nauki, 33:2 (2023), 212–224
Citation in format AMSBIB
\Bibitem{Kab23}
\by M.~V.~Kabanko
\paper On the type of the meromorphic function of finite order
\jour Vestn. Udmurtsk. Univ. Mat. Mekh. Komp. Nauki
\yr 2023
\vol 33
\issue 2
\pages 212--224
\mathnet{http://mi.mathnet.ru/vuu845}
\crossref{https://doi.org/10.35634/vm230202}
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    Вестник Удмуртского университета. Математика. Механика. Компьютерные науки
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