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A power of a meromorphic function sharing a set with its derivative

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Abstract

If f is a non-constant meromorphic function such that a power of f shares certain set counting multiplicities in the weak sense with the derivative of the power, then f becomes an exponential function.

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References

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Authors and Affiliations

  1. Department of Mathematics, University of Kalyani, Kalyani, West Bengal, 741235, India

    Indrajit Lahiri

  2. Department of Mathematics, Hangzhou Electronic Information Vocational School (Dingqiao Campus), Hangzhou, 310021, Zhejiang, China

    Shanpeng Zeng

Authors
  1. Indrajit Lahiri
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  2. Shanpeng Zeng
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Correspondence to Indrajit Lahiri.

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Lahiri, I., Zeng, S. A power of a meromorphic function sharing a set with its derivative. Afr. Mat. 27, 941–947 (2016). https://doi.org/10.1007/s13370-015-0388-6

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  • DOI: https://doi.org/10.1007/s13370-015-0388-6

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