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Article
Coefficient Bounds for Certain Subclass of Analytic Functions Defined By Quasi-Subordination

Authors: Abdul Rahman S. Juma --- Mohammed H. Saloomi
Journal: Iraqi Journal of Science المجلة العراقية للعلوم ISSN: 00672904/23121637 Year: 2018 Volume: 59 Issue: 2C Pages: 1115-1121
Publisher: Baghdad University جامعة بغداد

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Abstract

In this paper, we define certain subclasses of analytic univalent function associated with quasi-subordination. Some results such as coefficient bounds and Fekete-Szego bounds for the functions belonging to these subclasses are derived.


Article
On Differential Sandwich Theorems of Multivalent Functions Defined by a Linear operar

Authors: Waggas Galib Atshan --- Salwa Kalf Kazim
Journal: Journal of Al-Qadisiyah for Computer Science and Mathematics مجلة القادسية لعلوم الحاسوب والرياضيات ISSN: 20740204 / 25213504 Year: 2019 Volume: 11 Issue: 1 Pages: Math Page 117-123
Publisher: Al-Qadisiyah University جامعة القادسية

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Abstract

The main object of the present paper is to derive some results for multivalent analytic functions defined by linear operator by using differential subordination and superordination


Article
Coefficient Bounds For QUASI-Subordination Classes
حدود المعامل لصنوف شبه التابعية

Author: Abdul Rahman Salman Juma عبد الرحمن سلمان جمعة
Journal: Diyala Journal For Pure Science مجلة ديالى للعلوم الصرفة ISSN: 83732222 25189255 Year: 2016 Volume: 12 Issue: 3 - part 2 Pages: 68-83
Publisher: Diyala University جامعة ديالى

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Abstract

The bounds for the Fekete-Szego coefficients |a3 − μa22| are derived of certain subclasses of star like ,convex and bazilevic functions involving quasi-subordination.

حدود معاملات فيكيت سياغو - |a3 − μa22 | اشتقت لعدد من الصنوف الجزئية للدوال النجمية والمحدبة وداله بازا لفج باستخدام مفهوم شبه التابعية .

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