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Regions of variability for generalized Janowski functions
AIMS MathematicsBilal Khan +2 more
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On Janowski harmonic functions
Journal of Applied Analysis, 2015Abstract In this paper we define classes of harmonic functions related to the Janowski functions and we give some necessary and sufficient conditions for these classes. Some topological properties and extreme points of the classes are also considered.
Jacek Dziok
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On the Janowski class of generalized Struve functions
Afrika Matematika, 2018zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mohsan Raza +2 more
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Faber Polynomial Coefficient Estimates for Janowski Type bi-Close-to-Convex and bi-Quasi-Convex Functions [PDF]
Symmetry, 2023 Motivated by the recent work on symmetric analytic functions by using the concept of Faber polynomials, this article introduces and studies two new subclasses of bi-close-to-convex and quasi-close-to-convex functions associated with Janowski functions ...
Fairouz Tchier +2 more
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A Certain Subclass of Multivalent Analytic Functions Defined by the q-Difference Operator Related to the Janowski Functions [PDF]
Mathematics, 2021 A class of p-valent analytic functions is introduced using the q-difference operator and the familiar Janowski functions. Several properties of functions in the class, such as the Fekete–Szegö inequality, coefficient estimates, necessary and sufficient
Rekha Srivastava, Jin-Lin Liu
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