APPROXIMATE CONVEXITY AND CONCAVITY OFGENERALIZED GROTZSCH RING FUNCTION  

广义Grotzsch环函数的近似凹凸性(英文)

作　　者：王根娣 裘松良 张孝惠 褚玉明 

机构地区：[1]College of Science, Huzhou University, Huzhou 313000, China [2]College of Science, Zhejiang Sci-Tech University, Hangzhou 310018, China

出　　处：《Applied Mathematics(A Journal of Chinese Universities)》2006年第2期203-206,共4页高校应用数学学报（英文版）（B辑）

基　　金：PartlysupportedbytheNationalNaturalScienceFoundationofChina(10471039,10271043),theNationalNaturalScienceFoundationofZhejiangProvince(M103087).

摘　　要：In this paper, the so-called approximate convexity and concavity properties of generalized Groetzsch ring function μa （r） by studying the monotonieity,convexity or concavity of certain composites of μa（r） are obtained.In this paper, the so-called approximate convexity and concavity properties of generalized Groetzsch ring function μa （r） by studying the monotonieity,convexity or concavity of certain composites of μa（r） are obtained.

关 键 词：generalized Grotzsch ring function Ramanujan＇s modular equation CONVEXITY concawty. 

分 类 号：O153.3[理学—数学]