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 ob...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.展开更多
In this article, the authors study some basic properties of the so-called quasilinear- additive functions, and some applications to the special functions of quasiconformal analysis are specified.
基金The Research is Partly Supported by Depart ment of Education of Zhejiang Province(Y200908671)the National Level Characteristic Specialty:Mathematics and Applied Mathematics
文摘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.
基金This research is supported by National Natural Science Foundation of China(NNSFC)(Grant No.11771400)Science Foundation of Zhejiang Sci-Tech University(ZSTU)(Grant No.16062023-Y)。
基金supported by NSFC (60850005)NSF of Zhejiang Province(Y7080106)
文摘In this article, the authors study some basic properties of the so-called quasilinear- additive functions, and some applications to the special functions of quasiconformal analysis are specified.