Journals / Communications Faculty of Sciences University of Ankara Series A1: Mathematics and Statistics / 2019 / Cilt: 68 - Sayı: 1
QUASI-SUBORDINATION AND COEFFICIENT BOUNDS FOR CERTAIN CLASSES OF MEROMORPHIC FUNCTIONS OF COMPLEX ORDER
- Journal
- Communications Faculty of Sciences University of Ankara Series A1: Mathematics and Statistics
- Pages
- 1197–1205
- DOI
- —
Abstract
In this paper, we obtain Fekete-Szegˆ functional a1 a2 0 for functions of the classes q (') and q;;b(g; ') using quasi-subordination. Sharp bounds for the Fekete-Szegˆ functional a1 a2 0 are obtained. Also, applications of the main results for subclasses of functions deÖned by Bessel function are also considere.