涉及导数与差分分担值的唯一性问题

邓炳茂, 曾翠萍, 刘丹, 方明亮

数学学报 ›› 2019, Vol. 62 ›› Issue (5) : 709-720.

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数学学报 ›› 2019, Vol. 62 ›› Issue (5) : 709-720. DOI: 10.12386/A2019sxxb0066
论文

涉及导数与差分分担值的唯一性问题

    邓炳茂1, 曾翠萍1, 刘丹2, 方明亮2
作者信息 +

Unicity of Mermorphic Functions Concerning Their Derivatives and Difference

    Bing Mao DENG1, Cui Ping ZENG1, Dan LIU2, Ming Liang FANG2
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文章历史 +

摘要

本文研究了有穷级亚纯函数的导数及其差分分担值的唯一性问题,主要证明了以下结论:如果f'与Δcf CM分担a,b,∞,则f'≡Δcf.该结论解决了Qi等人在2018年提出的问题.

Abstract

In this paper, we investigate a uniqueness of meromorphic functions with finite order concerning their derivative and difference and obtain one result that if f' and Δcf share a, b,∞ CM, then f' ≡ Δcf. This result confirms the problem of Qi et al. in 2018.

关键词

亚纯函数 / 差分 / 分担值

Key words

meromorphic function / difference / sharing value

引用本文

导出引用
邓炳茂, 曾翠萍, 刘丹, 方明亮. 涉及导数与差分分担值的唯一性问题. 数学学报, 2019, 62(5): 709-720 https://doi.org/10.12386/A2019sxxb0066
Bing Mao DENG, Cui Ping ZENG, Dan LIU, Ming Liang FANG. Unicity of Mermorphic Functions Concerning Their Derivatives and Difference. Acta Mathematica Sinica, Chinese Series, 2019, 62(5): 709-720 https://doi.org/10.12386/A2019sxxb0066

参考文献

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基金

国家自然科学基金青年资助项目(11701188)

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