Displaying similar documents to “Meromorphic functions and also their first two derivatives have the same zeros.”

On a question of Hong Xun Yi

Indrajit Lahiri (2002)

Archivum Mathematicum

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In the paper we prove a uniqueness theorem for meromorphic functions which provides an answer to a question of H. X. Yi.

Hyper-order and order of meromorphic functions sharing functions

Jianming Qi, Wenjun Yuan, Hongxun Yi (2015)

Annales Polonici Mathematici

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In this paper we mainly estimate the hyper-order of an entire function which shares one function with its derivatives. Some examples are given to show that the conclusions are meaningful.