李宗濤,郭 棟
(1.廣州民航職業(yè)技術(shù)學院 基礎(chǔ)部,廣東 廣州 510403; 2.滁州職業(yè)技術(shù)學院 基礎(chǔ)部,安徽 滁州 239000)
由Carlson-Shaffer算子定義的一類解析函數(shù)的性質(zhì)
李宗濤1,郭 棟2
(1.廣州民航職業(yè)技術(shù)學院 基礎(chǔ)部,廣東 廣州 510403; 2.滁州職業(yè)技術(shù)學院 基礎(chǔ)部,安徽 滁州 239000)
利用微分從屬研究了一類由Carlson-Shaffer算子定義的解析函數(shù),得到了一組不等式,探討了函數(shù)的星象性和卷積性質(zhì),從而推廣了若干相關(guān)結(jié)果。
解析函數(shù);從屬;Hadamard積(卷積);積分算子;Carlson-Shaffer算子
可以看出結(jié)果是精確的。
注 令 p=1,a=c,則定理6就是文獻[10]中的定理5。
[1] Carlson B C,Shaffer D B.Starlike and prestarlike hypergeometric functions[J].SIAM J Math Anal,1984,15(4):737-745.
[2] Li Z T,Liu M S.Properties for certain subclass of analytic functions involving Carlson-Shaffer operators[J].Chin Quart J of Math,2011,26(2):245-250.
[3] Ruscheweyh S.New criteria for univalent functions[J].Proc Amer Math Soc,1975,49:109-115.
[4] Liu M S.On the univalency for certain subclass of analytic functionsinvolving ruscheweyh derivatives[J].Internat J Math Math Sci,2002,31(9):567-576.
[5] Liu M S.On certain sufficient condition for starlike functions[J].Soochow J Math,2003,29:407-412.
[6] Liu M S.On certain subclass of p-valent functions[J].Soochow J Math,2000,26:163-171.
[7] Liu M S.Properties for some subclasses of analytic functions[J].Bulletin of the Institute of Math Academia Sinica,2002,30(1):9-26.
[8] Miller S S,Mocanu P T.Differential subordination and univalent functions[J].Michigan Math J,1981,28:157-171.
[9] Stankiewicz J,Stankiewicz Z.Some applications of the Hadamard convolution in the theorem of functions[J].Ann Univ Mariae Curie-Sklodowska Sect A,1986,40:251-265.
[10]Ding S S,Ling Y,Bao G J.Some properties of a class of analytic functions[J].J Math Anal Appl,1995,195(1):71-81.
Properties for a Certain Kind of Analytical Function Defined by Carlson-shaffer Operator
LI Zong-tao1,GUO Dong2
(1.Foundations Department,Guangzhou Civil Aviation College,Guangzhou 510403,Guangdong,China;2.Foundations Department,Chuzhou Vocational and Technical College,Chuzhou 239000,Anhui,China)
A kind of analytical function defined by Carlson-Shaffer operator is studied by using differential subordination.Obtains a set of inequality,the starlike and convolution properties are dis?cussed,popularizes the relative results.
analytical function;subordination;Hadamard product(convolution);integral op?erator;Carlson-Shaffer operator
O174.51
:A
:1673-0143(2013)01-0035-08
(責任編輯:強士端)
2012-12-20
李宗濤(1970—),男,講師,碩士,研究方向:函數(shù)論。