Starlikeness and convexity for analytic functions concerned with Jack's Lemma.

Shiraishi, Hitoshi; Owa, Shigeyoshi

Displaying similar documents to “Starlikeness and convexity for analytic functions concerned with Jack's Lemma.”

Subordinations for certain analytic functions.

Owa, Shigeyoshi, Nishiwaki, Junichi, Niwa, Norio (2008)

International Journal of Open Problems in Computer Science and Mathematics. IJOPCM

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An integral operator on analytic functions with negative coefficients.

Acu, Mugur, Eker, Sevtap Sumer (2009)

Acta Universitatis Apulensis. Mathematics - Informatics

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On sufficient conditions and angular properties of starlikeness and convexity for the class of multivalent Bazilević functions.

Goswami, Pranay, Bansal, Sanjay (2009)

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Properties of functions concerned with Carathéodory functions

Mamoru Nunokawa, Emel Yavuz, Shigeyoshi Owa (2013)

Annales UMCS, Mathematica

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Let Pn denote the class of analytic functions p(z) of the form p(z) = 1+cnzn + cn+1zn+1 + ... in the open unit disc U . Applying the result by S. S. Miller and P. T. Mocanu (J. Math. Anal. Appl. 65 (1978), 289-305), some interesting properties for p(z) concerned with Carath´eodory functions are discussed. Further, some corollaries of the results concerned with the result due to M. Obradović and S. Owa (Math. Nachr. 140 (1989), 97-102) are shown.

An integral operator on the classes S*(α) and CVH(β)

Nicoleta Ularu, Nicoleta Breaz (2013)

Annales UMCS, Mathematica

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The purpose of this paper is to study some properties related to convexity order and coefficients estimation for a general integral operator. We find the convexity order for this operator, using the analytic functions from the class of starlike functions of order α and from the class CVH(β) and also we estimate the first two coefficients for functions obtained by this operator applied on the class CVH(β).