1975
DOI: 10.2307/2039801
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New Criteria for Univalent Functions

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Cited by 79 publications
(48 citation statements)
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“…Let us here recall some the well known geometric properties for the convolution (or Hadamard product) due to Ruscheweyh (see [6] (2) The derivative convolution of two functions belong to the class AðmÞ is defined as: In [8,9], Srivastava and Owa defined the fractional integral and differential operators in the complex z-plane C as the formula:…”
Section: Introductionmentioning
confidence: 99%
“…Let us here recall some the well known geometric properties for the convolution (or Hadamard product) due to Ruscheweyh (see [6] (2) The derivative convolution of two functions belong to the class AðmÞ is defined as: In [8,9], Srivastava and Owa defined the fractional integral and differential operators in the complex z-plane C as the formula:…”
Section: Introductionmentioning
confidence: 99%
“…where [5]), includes (as its special cases) various other linear operators introduced and studied by Carlson and Shaffer [3], Ruscheweyh [10] and OwaSrivastava [9]. Motivated by earlier works of Aouf et al, [1] and Dziok and Raina [6] we define the following new subclass of T involving hypergeometric functions.…”
Section: Introductionmentioning
confidence: 99%
“…To prove Theorem 4, we take advantage of the several convolution results due mainly to Ruscheweyh [11], [12]. Let f ∈ J * (σ, α β ; A, B), then it easily follows that…”
mentioning
confidence: 99%
“…is convex univalent ( [11]), and in the famous paper [12], it was proved as a result of the Pólya-Schoenberg conjecture that the functions which are convex univalent have the same property preserved under a convolution structure also. Accordingly, under our assumptions on α, β and p, the function (47)…”
mentioning
confidence: 99%