Author:
Hameed Mustafa I.,Shihab Buthyna Najad
Abstract
Abstract
The 𝛶 subclasses S*(τ, λ) and C*(τ, λ), as well as the class of analytic and univalent functions of the form
h
(
w
)
=
w
−
∑
i
=
2
∞
|
e
i
|
w
i
, were studied. Sharp coefficients, distortion, as well as a function expression formula in S*(τ, λ) are determined, as well as expression formulae for functions in C*(τ, λ). In addition, convex linear combination over arithmetic average, the classes S*(τ, λ) and C*(τ, λ) are proved to be closed.
Subject
General Physics and Astronomy
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