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关于β型螺形函数的一类子族 被引量:6

On a Subclass of Spirallike Functions of Type β
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摘要 在单位圆盘D内引入β型螺形函数及其一类子族,同时研究了(1)函数族^Sαβ中函数f(z)与函数族S*(α)中函数g(z)的一个重要关系式,^Sαβ中函数f(z)二项系数的精确估计;(2)函数族S^αβ中函数f(z)的增长、掩盖定理. In this paper, we introduce a subclass of spirallike functions of type β in D ,at the same time, we investigate that (1) A important relation of functions betweenf f∈Sa^β and g(z) ∈ S^* (a) , the sharp bound for the second order co-efficient of functions in f(z) ∈ Sa^β , (2) growth, covering theorems of functions in f(z) ∈Sa^β.
出处 《江西师范大学学报(自然科学版)》 CAS 北大核心 2008年第5期606-609,共4页 Journal of Jiangxi Normal University(Natural Science Edition)
基金 江西省自然科学基金(2007GZS0177) 江西师范大学博士专项基金资助项目
关键词 增长、掩盖定理 系数估计 α次星形函数 Β型螺形函数 growth covering theorems coefficient estimates starlike functions of order a spirallike functions of type β
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参考文献7

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同被引文献34

  • 1黄全连,刘小松.强β型螺形函数子族的系数估计[J].湛江师范学院学报,2012,33(3):32-37. 被引量:1
  • 2冯淑霞,刘太顺,任广斌.复Banach空间单位球上几类映射的增长掩盖定理[J].数学年刊(A辑),2007,28(2):215-230. 被引量:25
  • 3冯淑霞,刘太顺.α次的殆星映射的充分判别条件[J].数学物理学报(A辑),2007,27(3):506-514. 被引量:3
  • 4Graham I, Kohr G. Geometric function theory in one and higher dimensions [ M ]. New York:Marcel DeKKer,2003.
  • 5Robertson M S. On the theory of univalent functions [ J ]. Ann Math, 1936,37 : 374-408.
  • 6Duren P L. Univalent functions [ M ]. New York: Spring-Vedag, 1983.
  • 7Ahlfors L V. Complex analysis [ M ]. New York: McGram-Hill, 1953.
  • 8Ahlfors L V. Complex analysis [ M ]. New York : McGraw-Hill Book Co, 1979 : 87-135.
  • 9Bieberbach L. Uber einige extremalproblem im gebiete der konformen abbildung[ J]. Math Ann, 1916,77:153-172.
  • 10Shigeyoshi O W, Yasar Polatoglu, Emel Yavuz. Coefficient inequalities for class of uniformly starlike and convex functions [ J ]. Journal of Inequlities in Pure and Applied Mathematics,2006,7 ( 5 ) : 1-5.

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