On properties of meromorphic solutions for difference equations concerning gamma function

On properties of meromorphic solutions for difference equations concerning gamma function
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伽马函数差分方程亚纯解的性质

DOI:
10.1016/j.jmaa.2013.04.044
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发表时间:
2013-10
影响因子:
1.3
通讯作者:
Chen, Zong-Xuan
Chen, Zong-Xuan
中科院分区:
数学3区
文献类型:
--
作者:
Chen, Zong-Xuan

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In this paper, we mainly consider the properties of differences of meromorphic solutions for the difference equation concerning a Gamma function, where a1(z) and a0(z) are nonzero polynomials. By these properties, we deduce that a Gamma function satisfies that for every n∈N, Δn1Γ(z) and 1Γ(z) have same zeros, at most except n exceptional zeros, where σ(g) denotes the order of growth of a meromorphic function g, and τ(g) and λ(g) denote the exponents of convergence of fixed points and zeros of g respectively.
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