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Matematicheskie Zametki, 2023, Volume 113, Issue 2, paper published in the English version journal
(Mi mzm13562)
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Papers published in the English version of the journal
Truncated Sharing of Subsets and Uniqueness of
$L$-Functions in the Extended Selberg Class
Ha Huy Khoaia, Vu Hoai Anb, Pham Ngoc Hoab a Thang Long Institute of Mathematics and Applied Sciences (TIMAS),
Hanoi, 11700, Vietnam
b Hai Duong Pedagogical College, Hai Duong, 03100 Vietnam
Abstract:
Let $P(z)$ be a polynomial of degree $q$ without multiple zeros, let $S$ be the zero set of $P(z)$, and let $k$ be the number of distinct roots of the derivative of $P$. Assume that $P(z)$ is a strong uniqueness polynomial for $L$-functions in the Selberg class. We prove that two $L$-functions $L_1$ and $L_2$ in the Selberg class sharing $S$ with multiplicity $\leq m$ (i. e. $E_{L_1,m)}(S)=E_{L_2,m)}(S))$ necessarily coincide if one of the following conditions holds: (i) $m=1$ and $q\geq 2k+5$; (ii) $2\leq m<\infty$ and $q\geq 2k+3$.
Keywords:
$L$-function, Selberg class, meromorphic function, truncated sharing.
Received: 25.04.2022
Citation:
Ha Huy Khoai, Vu Hoai An, Pham Ngoc Hoa, “Truncated Sharing of Subsets and Uniqueness of
$L$-Functions in the Extended Selberg Class”, Math. Notes, 113:2 (2023), 191–199
Linking options:
https://www.mathnet.ru/eng/mzm13562
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