On the starlikeness of iterative integral operators

Authors

  • Parviz ARJOMANDINIA “Payame Noor" University Department of Mathematics P.O. BOX 19395-3697, Tehran, Iran e-mail: p.arjomandinia@gmail.com
  • Rasoul AGHALARY “Urmia" University Faculty of Sciences, Department of Mathematics Urmia, Iran e-mail: raghalary@yahoo.com

Keywords:

Integral operator, iterative, univalent and starlike functions.

Abstract

The main object of the present paper is to investigate starlikeness of certain integral operators‎, ‎which are defined here by means of iterative in the‎ ‎open disk $\mathbb{D}_R=\{z\in\mathbb{C}:|z|<R\}$ with $R\geq1$‎. ‎Also we prove that these result are best possible‎.

Mathematics Subject Classification (2010): 30C45, 30C80.

References

Branges, L. de, A proof of the Bieberbach conjecture, Acta Math., 154(1985), 137-152.

Fournier, R., Ruscheweyh, S., On two extremal problems related to univalent functions, The Rocky Mountain J. Math., 24(1994), no. 2, 529-538.

Merkes, E.P., Wright, D.J., On the univalence of a certain integral, Proc. Amer. Math. Soc., 27(1971), 97-100.

Miller, S.S., Mocanu, P.T., Differential subordinations, Theory and Applications, Marcel Dekker, New York, 2000.

Ong, K.W., Tan, S.L., Tu, Y.E., Integral operators and univalent functions, Tamk. J. Math., 43(2012), no. 2, 215-221.

Pfaltzgraff, J.A., Univalence of the integral of …, Bull. Lond. Math. Soc., 7(1975), 254-256.

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Published

2016-06-30

How to Cite

ARJOMANDINIA, P., & AGHALARY, R. (2016). On the starlikeness of iterative integral operators. Studia Universitatis Babeș-Bolyai Mathematica, 61(2), 163–168. Retrieved from https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5546

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