Some Results on the Deficiencies of Some Differential-Difference Polynomials of Meromorphic Function

For a transcendental meromorphic function f ( z ) , the main aim of this paper is to investigate the properties on the zeros and deficiencies of some differential-difference polynomials. Some results about the deficiencies of some differential-difference polynomials concerning Nevanlinna defi...

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Main Authors: Hong-Yan Xu, Xiu-Min Zheng, Hua Wang
Format: Article
Language:English
Published: MDPI AG 2018-10-01
Series:Mathematics
Subjects:
Online Access:http://www.mdpi.com/2227-7390/6/10/207
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author Hong-Yan Xu
Xiu-Min Zheng
Hua Wang
author_facet Hong-Yan Xu
Xiu-Min Zheng
Hua Wang
author_sort Hong-Yan Xu
collection DOAJ
description For a transcendental meromorphic function f ( z ) , the main aim of this paper is to investigate the properties on the zeros and deficiencies of some differential-difference polynomials. Some results about the deficiencies of some differential-difference polynomials concerning Nevanlinna deficiency and Valiron deficiency are obtained, which are a generalization of and improvement on previous theorems given by Liu, Lan and Zheng, etc.
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spelling doaj.art-9e1318df1f594eaf89e4eba7fa3be8c82022-12-22T01:52:34ZengMDPI AGMathematics2227-73902018-10-0161020710.3390/math6100207math6100207Some Results on the Deficiencies of Some Differential-Difference Polynomials of Meromorphic FunctionHong-Yan Xu0Xiu-Min Zheng1Hua Wang2Department of Informatics and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, ChinaInstitute of Mathematics and Information Science, Jiangxi Normal University, Nanchang 330022, Jiangxi, ChinaDepartment of Informatics and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, ChinaFor a transcendental meromorphic function f ( z ) , the main aim of this paper is to investigate the properties on the zeros and deficiencies of some differential-difference polynomials. Some results about the deficiencies of some differential-difference polynomials concerning Nevanlinna deficiency and Valiron deficiency are obtained, which are a generalization of and improvement on previous theorems given by Liu, Lan and Zheng, etc.http://www.mdpi.com/2227-7390/6/10/207differential-difference polynomialnevanlinna deficiencyvaliron deficiency
spellingShingle Hong-Yan Xu
Xiu-Min Zheng
Hua Wang
Some Results on the Deficiencies of Some Differential-Difference Polynomials of Meromorphic Function
Mathematics
differential-difference polynomial
nevanlinna deficiency
valiron deficiency
title Some Results on the Deficiencies of Some Differential-Difference Polynomials of Meromorphic Function
title_full Some Results on the Deficiencies of Some Differential-Difference Polynomials of Meromorphic Function
title_fullStr Some Results on the Deficiencies of Some Differential-Difference Polynomials of Meromorphic Function
title_full_unstemmed Some Results on the Deficiencies of Some Differential-Difference Polynomials of Meromorphic Function
title_short Some Results on the Deficiencies of Some Differential-Difference Polynomials of Meromorphic Function
title_sort some results on the deficiencies of some differential difference polynomials of meromorphic function
topic differential-difference polynomial
nevanlinna deficiency
valiron deficiency
url http://www.mdpi.com/2227-7390/6/10/207
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AT xiuminzheng someresultsonthedeficienciesofsomedifferentialdifferencepolynomialsofmeromorphicfunction
AT huawang someresultsonthedeficienciesofsomedifferentialdifferencepolynomialsofmeromorphicfunction