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Rahmatan, Hormoz, Najafzadeh, Shahram, Haji, Hakimeh. (1401). Initial Coefficient Bounds for interesting Subclasses of Meromorphic and and Bi-Univalent Functions. , 11(2), 9-17. doi: 10.22103/jmmrc.2022.18124.1162
Hormoz Rahmatan; Shahram Najafzadeh; Hakimeh Haji. "Initial Coefficient Bounds for interesting Subclasses of Meromorphic and and Bi-Univalent Functions". , 11, 2, 1401, 9-17. doi: 10.22103/jmmrc.2022.18124.1162
Rahmatan, Hormoz, Najafzadeh, Shahram, Haji, Hakimeh. (1401). 'Initial Coefficient Bounds for interesting Subclasses of Meromorphic and and Bi-Univalent Functions', , 11(2), pp. 9-17. doi: 10.22103/jmmrc.2022.18124.1162
Rahmatan, Hormoz, Najafzadeh, Shahram, Haji, Hakimeh. Initial Coefficient Bounds for interesting Subclasses of Meromorphic and and Bi-Univalent Functions. , 1401; 11(2): 9-17. doi: 10.22103/jmmrc.2022.18124.1162

Initial Coefficient Bounds for interesting Subclasses of Meromorphic and and Bi-Univalent Functions

Journal of Mahani Mathematical Research
دوره 11، شماره 2 - شماره پیاپی 22، مرداد 2022، صفحه 9-17    اصل مقاله (457.96 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22103/jmmrc.2022.18124.1162
نویسندگان
Hormoz Rahmatan* ؛ Shahram Najafzadeh؛ Hakimeh Haji
Department of Mathematics, Payame Noor University, Tehran, Iran
چکیده
In this paper, we investigate an interesting subclass of univalent functions. Also, we introduce a new subclass of meromorphic bi-univalent functions. We obtain the estimates on the initial Taylor-Maclurin Coefficients for functions in the interesting subclass of meromorphically bi-univalent functions defined on $\Delta=\left\{z\in\Bbb C:~ 1<|z|<\infty\right\}$.
کلیدواژه‌ها
Univalent functions؛ Meromorphic functions؛ Meromorphic Bi- univalent functions؛ Coeffcient estimates؛ Vertical strip
مراجع
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[2] S. G. Hamidi, S. A. Halim and J. M. Jahangiri, Faber polynomial coecient estimates for meromorphic bi- starlike functions, Internat. J. Math. Math. Sci. 1- 4 (2013).

[3] S. G. Hamidi, S. A. Halim and J. M. Jahangiri, Coecient estimates for a class of meromorphic biunivalent functions, C. R. Acad. Sci. Paris Ser. I 351, 349-352 (2013).

[4] K. Kuroki, S. Owa, Notes on new class for certain analytic functions, RIMS Kokyuroku Kyoto Univ. 1772, 21-25 (2011).

[5] T. Janani and G. Murugusundaramoorthy, Coecient estimates of meromorphic bi-starlike functions of complex order, Internat. J. Anal. Appl. 4 (1), 68-77(2014).

[6] Y. J. Sim, O. S. Kwon, Certain subclasses of meromorphically bi{ univalent functions, Bull. Malays. Math. Sci. Soc. 40, 841-855 (2017).

[7] Y. J. Sim, O. S. Kwon, Notes on analytic functions with a bounded positive real part, J.Inequal. Appl. 370, 1-6 (2013).

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