数学物理学报(英文版) ›› 2014, Vol. 34 ›› Issue (3): 719-728.doi: 10.1016/S0252-9602(14)60043-6

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THE VALUE DISTRIBUTION AND UNIQUENESS OF ONE CERTAIN TYPE OF DIFFERENTIAL-DIFFERENCE POLYNOMIALS

张克玉*, 仪洪勋   

  1. Department of Mathematics, Qilu Normal University, Jinan 250013, China;Department of Mathematics, Shandong University, Jinan 251000, China; Department of Mathematics, Shandong University, Jinan 251000, China
  • 收稿日期:2012-11-16 修回日期:2013-04-23 出版日期:2014-05-20 发布日期:2014-05-20
  • 作者简介:张克玉|sduzky@163.com|keyu 292@163.com
  • 基金资助:

    This article is supported by National Natural Science Foundation of China (11171184).

THE VALUE DISTRIBUTION AND UNIQUENESS OF ONE CERTAIN TYPE OF DIFFERENTIAL-DIFFERENCE POLYNOMIALS

 ZHANG Ke-Yu*, YI Hong-Xun   

  1. Department of Mathematics, Qilu Normal University, Jinan 250013, China;Department of Mathematics, Shandong University, Jinan 251000, China; Department of Mathematics, Shandong University, Jinan 251000, China
  • Received:2012-11-16 Revised:2013-04-23 Online:2014-05-20 Published:2014-05-20
  • About author:ZHANG Ke-Yu|sduzky@163.com|keyu 292@163.com
  • Supported by:

    This article is supported by National Natural Science Foundation of China (11171184).

摘要:

In this article, we investigate the distribution of the zeros and uniqueness of differential-difference polynomials
G(z) = (fn(fm(z) − 1)∏dj=1f(z + cj )vj )(k)− α(z),
H(z) = (fn(f(z) − 1)mdj=1f(z + cj )vj )(k)− α(z),
where f is transcendental entire function of finite order, cj(j = 1, 2, · · · , d), n, m, d, and vj (j = 1, 2, · · · , d) are integers, and obtain some theorems, which extended and improved many previous results.

关键词: Meromorphic, uniqueness, value distribution, differential-difference

Abstract:

In this article, we investigate the distribution of the zeros and uniqueness of differential-difference polynomials
G(z) = (fn(fm(z) − 1)∏dj=1f(z + cj )vj )(k)− α(z),
H(z) = (fn(f(z) − 1)mdj=1f(z + cj )vj )(k)− α(z),
where f is transcendental entire function of finite order, cj(j = 1, 2, · · · , d), n, m, d, and vj (j = 1, 2, · · · , d) are integers, and obtain some theorems, which extended and improved many previous results.

Key words: Meromorphic, uniqueness, value distribution, differential-difference

中图分类号: 

  • 30D35