Results 61 to 70 of about 96 (94)
The objective of this paper is to investigate the bounds of third and fourth Hankel determinants for a generalized subclass of bounded turning functions associated with sine function, in the open unit disc E = {z ∈ C : |z| < 1}.
SINGH, Gagandeep, SINGH, Gurcharanjit
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Generalization of Jack’s Lemma for Functions With Fixed Initial Coefficient and Its Applications
In this paper, by using the theory of differential subordination, we will generalize Jack’s lemma for functions with fixed initial coefficient. Then extensions of the well-known open-door lemma for analytic and meromorphic functions with fixed initial ...
SHAMS, Saied +2 more
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In this academic research note, some familiar operators prearranged by fractional-order calculus will first be introduced and various characteristic properties of those operators will next be propounded.
IRMAK, Hüseyin
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Certain theorems involving differential superordination and sandwich-type results
To obtain the main result of the present paper, we use the technique of differential superordination. As special cases of our main result, we obtain sufficient conditions for f ∈ A to be φ−like, parabolic φ−like, starlike, parabolic starlike, close-to ...
KAUR, Hardeep +2 more
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On a boundary property of analytic functions. [PDF]
J Inequal Appl, 2017 Nunokawa M, Sokół J.
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Majorization problems for two subclasses of analytic functions connected with the Liu-Owa integral operator and exponential function. [PDF]
J Inequal Appl, 2018 Tang H, Deng G.
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Hankel and symmetric Toeplitz determinants for Sakaguchi starlike functions
In this paper, we consider the class of starlike functions with respect to symmetric points which are also known as Sakaguchi starlike functions. We de- termine best possible bounds on Zalcman conjecture | – and generalized Zalcman conjecture |aman − am+
JAIN, Naveen Kumar +2 more
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On the class of analytic functions defined by Robertson associated with nephroid domain
The primary focus of this article is to explore a novel subclass, denoted as GNGN, of analytic functions. These functions exhibit starlike properties concerning a boundary point within a nephroid domain. The author obtains representation ...
SIVASUBRAMANIAN, Kavitha
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Rigidity of Circle Packings with Crosscuts
, 2014 Circle packings with specified patterns of tangencies form a discrete counterpart of ana-lytic functions. In this paper we study univalent packings (with a combinatorial closed disk as tangent graph) which are embedded in (or fill) a bounded, simply ...
David Krieg, Elias Wegert
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Ma-Minda starlikeness of certain analytic functions
A normalized analytic function defined on the open unit disc D is called Ma-Minda starlike if zf ′(z)/f(z) is subordinate to the function φ. For a normalized convex function f defined on D and α > 0, we determine the radius of Ma-Minda starlikeness of
JANANI, Baskar Babujee, RAVICHANDRAN, V.
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