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Uniqueness of differential polynomials of meromorphic functions and small function sharing

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Abstract

In the paper we study the uniqueness problem of certain differential polynomials generated by two meromorphic functions provided they share a small function along with some other conditions on the zeros and poles of the concerned functions.

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Acknowledgements

Authors are thankful to the referees for useful comments and valuable suggestions towards the improvement of the paper. The work of the first author was supported by DAE (NBHM Fellowship), India

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  1. Bipul Pal

    Present address: Department of Mathematics, Sikkim University, Gangtok, Sikkim, 737102, India

Authors and Affiliations

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

    Bipul Pal & Indrajit Lahiri

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  1. Bipul Pal
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  2. Indrajit Lahiri
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Correspondence to Bipul Pal.

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Pal, B., Lahiri, I. Uniqueness of differential polynomials of meromorphic functions and small function sharing. Afr. Mat. 30, 247–256 (2019). https://doi.org/10.1007/s13370-018-0640-y

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  • DOI: https://doi.org/10.1007/s13370-018-0640-y

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