On Integral Operator and Argument Estimation of a Novel Subclass of Harmonic Univalent Functions

Advances in Mathematical Finance and Applications

مقاله 6، دوره 5، شماره 3، مهر 2020، صفحه 331-345   

نوع مقاله: Research Paper

شناسه دیجیتال (DOI): 10.22034/amfa.2020.1885000.1340

نویسندگان

Z. Dehdast؛ Sh. Najafzadeh؛ M.R. Foroutan

Department of mathematics, payame noor university, p.o.box 19395-3697, tehran, iran

چکیده

Abstract. In this paper we define and verify a subclass of harmonic univalent functions involving the argument of complex-value functions of the form f = h + ¯g and investigate some properties of this subclass e.g. necessary and sufficient coefficient bounds, extreme points, distortion bounds and Hadamard product.Abstract. In this paper we define and verify a subclass of harmonic univalent functions involving the argument of complex-value functions of the form f = h + ¯g and investigate some properties of this subclass e.g. necessary and sufficient coefficient bounds, extreme points, distortion bounds and Hadamard product.Abstract. In this paper we define and verify a subclass of harmonic univalent functions involving the argument of complex-value functions of the form f = h + ¯g and investigate some properties of this subclass e.g. necessary and sufficient coefficient bounds, extreme points, distortion bounds and Hadamard product.

کلیدواژه‌ها

Harmonic function؛ integral operator؛ extreme point؛ distortion bounds and convolution

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