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Unicity of Entire Functions Concerning Their Shifts and Derivatives
Computational Methods and Function Theory ( IF 0.6 ) Pub Date : 2021-01-30 , DOI: 10.1007/s40315-020-00358-1 Xiaohuang Huang , Mingliang Fang
中文翻译:
关于它们的移位和导数的整个函数的唯一性
更新日期:2021-01-31
Computational Methods and Function Theory ( IF 0.6 ) Pub Date : 2021-01-30 , DOI: 10.1007/s40315-020-00358-1 Xiaohuang Huang , Mingliang Fang
In this paper, we study the unicity of entire functions concerning their shifts and derivatives and prove: Let f be a non-constant entire function of hyper-order less than 1, let c be a non-zero finite value, and let a, b be two distinct finite values. If \(f'(z)\) and \(f(z+c)\) share a, b IM, then \(f'(z)\equiv f(z+c)\). This improves some results due to Qi and Yang (Comput Methods Funct Theory 20:159–178, 2020).
中文翻译:
关于它们的移位和导数的整个函数的唯一性
在本文中,我们研究了所有函数关于其平移和导数的唯一性,并证明:令f为小于1的超高阶非常数整体函数,令c为非零有限值,而令a为, b是两个不同的有限值。如果\(f'(z)\)和\(f(z + c)\)共享a, b IM,则\(f'(z)\ equiv f(z + c)\)。由于齐和杨,这改善了一些结果(计算方法功能理论20:159–178,2020年)。