DOI QR코드

DOI QR Code

UNIQUENESS OF TRANSCENDENTAL MEROMORPHIC FUNCTIONS AND CERTAIN DIFFERENTIAL POLYNOMIALS

  • H.R. JAYARAMA (Department of Mathematics, School of Engineering, Presidency University) ;
  • S.H. NAVEENKUMAR (Department of Mathematics, School of Engineering, Presidency University) ;
  • S. RAJESHWARI (Department of Mathematics, Bangalore Institute of Technology) ;
  • C.N. CHAITHRA (Department of Mathematics, School of Engineering, Presidency University)
  • Received : 2022.09.10
  • Accepted : 2023.02.28
  • Published : 2023.07.30

Abstract

In this paper, we explore the uniqueness property between the transcendental meromorphic functions and differential polynomial. With the notion of weighted sharing, we generalised the many previous results on uniqueness property. Here we discussed the uniqueness of [P(f)(αfm + β)s](k) - η(z) and [P(g)(αgm + β)s](k) - η(z). Meanwhile, we generalised the result of Harina P. waghamore and Rajeshwari S[1].

Keywords

Acknowledgement

The authors wish to express their sincere thanks to the reviewers for the valuable suggestions.

References

  1. Harina P. Waghamore and S. Rajeshwari, Weighted sharing of non-linear differential polynomials sharing small function with regard to multiplicity, Journal of Classical Analysis 10 (2017), 1-14.  https://doi.org/10.7153/jca-10-01
  2. Walter Kurt Hayman, Meromorphic functions, Oxford Clarendon Press, 70, 1964. 
  3. I. Laine, Nevanlinna theory and complex differential equations, De gruter, 1993. 
  4. Jilong Zhang, Value distribution and shared sets of differences of meromorphic functions, Journal of Mathematical Analysis and Applications 367 (2010), 401-408.  https://doi.org/10.1016/j.jmaa.2010.01.038
  5. J. Clunie, On a result of hayman, Journal of the London Mathematical Society 1 (1967), 1191-1205. 
  6. Wang Yuefei and Fang Mingliang, Picard values and normal families of meromorphic functions with multiple zeros, Acta Mathematica Sinica 14 (1998), 17-26.  https://doi.org/10.1007/BF02563879
  7. Ming-Liang Fang, Uniqueness and value-sharing of entire functions, Computers and Mathematics with Applications 44 (2002), 823-831.  https://doi.org/10.1016/S0898-1221(02)00194-3
  8. Weichuan Lin and Hongxun Yi, Uniqueness theorems for meromorphic functions concerning fixed-points, Complex Variables, Theory and Application: An International Journal 49 (2004), 793-806. 
  9. Subhas S. Bhoosnurmath and Renukadevi S. Dyavanal, Uniqueness and value-sharing of meromorphic functions, Computers and Mathematics with Applications 53 (2007), 1191-1205.  https://doi.org/10.1016/j.camwa.2006.08.045
  10. Lipei Liu, Uniqueness of meromorphic functions and differential polynomials, Computers and Mathematics with Applications 56 (2008), 3236-3245.  https://doi.org/10.1016/j.camwa.2008.09.020
  11. Abhijit Banerjee and Pulak Sahoo, Certain nonlinear differential polynomials sharing a nonzero polynomial with finite weight, Kyungpook Mathematical Journal 53 (2015), 653-666.  https://doi.org/10.5666/KMJ.2015.55.3.653
  12. Subhas S. Bhoosnurmath, Bikash Chakraborty, and Hari M. Srivastava, A note on the value distribution of differential polynomials, Communications of the Korean Mathematical Society 34 (2019), 1145-1155.  https://doi.org/10.4134/CKMS.C180378
  13. Chung-Chun Yang, On deficiencies of differential polynomials, Mathematische Zeitschrift 125 (1972), 107-112.  https://doi.org/10.1007/BF01110921
  14. Hong-Xun Yi, Meromorphic functions that share one or two values, Kodai Mathematical Journal 22 (1999), 264-272. 
  15. Abhijit Banerjee, Uniqueness of meromorphic functions sharing two sets with finite weight, Tamkang Journal of Mathematics 41 (2010), 379-392.  https://doi.org/10.5556/j.tkjm.41.2010.787
  16. Tongdui Zhang and Weiran Lu, Uniqueness theorems on meromorphic functions sharing one value, Computers and Mathematics with Applications 55 (2008), 2981-2992.  https://doi.org/10.1016/j.camwa.2007.11.029
  17. Abhijit Banerjee and Saikat Bhattacharyya, On the uniqueness of meromorphic functions and its difference operator sharing values or sets, Rendiconti del Circolo Matematico di Palermo Series 2 67 (2018), 75-85.  https://doi.org/10.1007/s12215-016-0295-1
  18. Abhijit Banerjee and Saikat Bhattacharyya, Uniqueness of certain differential polynomial of l-functions and meromorphic functions sharing a polynomial, Carpathian Mathematical Publications 13 (2021), 189-206.  https://doi.org/10.15330/cmp.13.1.189-206
  19. S. Rajeshwari, B. Venkateswarlu and S.H. Naveenkumar , Uniqueness of certain types of difference-differential polynomials sharing a small function, Journal of applied mathematics and informatics 39 (2021), 839-850.  https://doi.org/10.14317/JAMI.2021.839
  20. Harina P. Waghamore and Sangeetha Anand, Uniqueness of meromorphic functions concerning differential polynomials with regard to multiplicity sharing a small function, Journal of applied mathematics and informatics 35 (2017), 529-542.  https://doi.org/10.14317/jami.2017.529
  21. Harina P. Waghamore, V. Husna and S.H. Naveenkumar, Generalization of meromorphic functions sharing a nonzero polynomial with finite weight, Journal of applied mathematics and informatics 36 (2018), 121-133. https://doi.org/10.14317/JAMI.2018.121