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A note on the value distribution of differential polynomials

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Let $f$ be a transcendental meromorphic function, defined in the complex plane $\mathbb{C}$. In this paper, we give a quantitative estimations of the characteristic function $T(r,f)$ in terms of the counting function of a homogeneous differential polynomial generated by $f$. Our result improves and generalizes some recent results.

Abstract

Let $f$ be a transcendental meromorphic function, defined in the complex plane $\mathbb{C}$. In this paper, we give a quantitative estimations of the characteristic function $T(r,f)$ in terms of the counting function of a homogeneous differential polynomial generated by $f$. Our result improves and generalizes some recent results.

참고문헌 (9)

  1. "2018", ~
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  3. Xiaojun Huang, "On the value distribution of f2f(k)", Journal of the Australian Mathematical Society, 78(1), pp.17~26 (2005), Cambridge University Press (CUP)[DOI]
  4. Y. Jiang, "A note on the value distribution of f1(f(k))n", Hiroshima Math. J, 46(2), pp.135~147 (2016)[DOI]
  5. I. Lahiri, "Inequalities arising out of the value distribution of a dierential monomial", JIPAM. J. Inequal. Pure Appl. Math, 4(2), pp.6~ (2003)
  6. Nan Li, "Meromorphic Function that Shares One Small Function with its Differential Polynomial", Kyungpook Mathematical Journal, 50(3), pp.447~454 (2010), 경북대학교 자연과학대학 수학과
  7. Erwin Mues, "Uber ein Problem von Hayman", Mathematische Zeitschrift, 164(3), pp.239~259 (1979), Springer Science and Business Media LLC[DOI]
  8. K. Yamanoi, "Zeros of higher derivatives of meromorphic functions in the complex plane", Proc. Lond. Math. Soc. (3), 106(4), pp.703~780 (2013)[DOI]
  9. Q. D. Zhang, "A growth theorem for meromorphic functions", J. Chengdu Inst. Meteor, 20, pp.12~20 (1992)

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