منابع مشابه
Some properties for a class of meromorphically multivalent functions with linear operator
Making use of a linear operator, which is defined here by means of the Hadamard product (or convolution), we define a subclass $mathcal {T}_{p}(a, c, gamma, lambda; h)$ of meromorphically multivalent functions. The main object of this paper is to investigate some important properties for the class. We also derive many results for the Hadamard roducts of functions belong...
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We use a property of the Bernardi operator in the theory of the Briot–Bouquet differential subordinations to prove several theorems for the classes VpkðH;A;BÞ of multivalent analytic functions defined by using the Dziok–Srivastava operator H. Some of these results we obtain applying the convolution property due to Rusheweyh. We take advantage of the Miller–Mocanu lemma to improve the earlier re...
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The purpose of the present paper is to study some results involving coefficient conditions, extreme points, distortion bounds, convolution conditions and convex combination for a new class of harmonic multivalent functions in the open unit disc. Relevant connections of the results presented here with various known results are briefly indicated.
متن کاملSome properties of certain class of multivalent analytic functions
In this paper we introduce a certain general class Φp (a, c, A,B) (β ≥ 0, a > 0, c > 0, −1 ≤ B < A ≤ 1, p ∈ N = {1, 2, ...}) of multivalent analytic functions in the open unit disc U = {z : |z| < 1} involving the linear operator Lp(a, c). The aim of the present paper is to investigate various properties and characteristics of this class by using the techniques of Briot-Bouquet differential subo...
متن کاملsome properties for a class of meromorphically multivalent functions with linear operator
making use of a linear operator, which is defined here by means of the hadamard product (or convolution), we define a subclass $mathcal {t}_{p}(a, c, gamma, lambda; h)$ of meromorphically multivalent functions. the main object of this paper is to investigate some important properties for the class. we also derive many results for the hadamard roducts of functions belong...
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ژورنال
عنوان ژورنال: Tsukuba Journal of Mathematics
سال: 1992
ISSN: 0387-4982
DOI: 10.21099/tkbjm/1496161973