Results 31 to 40 of about 63,681 (326)
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 ...
Shahid Khan +5 more
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Bohr–Rogosinski radius for a certain class of close-to-convex harmonic mappings
Canadian mathematical bulletin, 2023 Let $ \mathcal {B} $ be the class of analytic functions $ f $ in the unit disk $ \mathbb {D}=\{z\in \mathbb {C} : |z|
M. B. Ahamed, V. Allu
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Axioms, 2022 In the present paper, due to beta negative binomial distribution series and Laguerre polynomials, we investigate a new family FΣ(δ,η,λ,θ;h) of normalized holomorphic and bi-univalent functions associated with Ozaki close-to-convex functions.
Isra Al-shbeil +3 more
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Journal of Nonlinear and Variational Analysis, 2021 By using the Borel distribution series of the Mittag-Leffler type, we introduce a new class of the bi-close-to-convex functions defined in the open unit disk.
H. Srivastava +2 more
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Coefficient Estimates for a Subclass of Meromorphic Multivalent q-Close-to-Convex Functions
Symmetry, 2021 By making use of the concept of basic (or q-) calculus, many subclasses of analytic and symmetric q-starlike functions have been defined and studied from different viewpoints and perspectives.
Lei Shi +6 more
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New Criteria for Univalent, Starlike, Convex, and Close-to-Convex Functions on the Unit Disk [PDF]
Mathematics Interdisciplinary Research, 2020 In the present paper, we introduce and investigate three interesting superclasses SD, SD* and KD of analytic, normalized and univalent functions in the open unit disk D.
Mohammad Reza Yasamian +2 more
doaj +1 more source
Harmonic close‐to‐convex mappings [PDF]
International Journal of Stochastic Analysis, 2000 Sufficient coefficient conditions for complex functions to be close‐to‐convex harmonic or convex harmonic are given. Construction of close‐to‐convex harmonic functions is also studied by looking at transforms of convex analytic functions. Finally, a convolution property for harmonic functions is discussed.
Jahangiri, Jay M., Silverman, Herb
openaire +2 more sources
Hankel, Toeplitz, and Hermitian-Toeplitz Determinants for Certain Close-to-convex Functions
, 2022 Let f be analytic in $$\mathbb {D}=\{z\in \mathbb {C}:|z|
V. Allu, A. Lecko, D. Thomas
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The second Hankel determinant for strongly convex and Ozaki close-to-convex functions
Annali di Matematica Pura ed Applicata, 2021 Let f be analytic in the unit disk D={z∈C:|z|
Y. J. Sim, A. Lecko, D. Thomas
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AIMS Mathematics, 2023 In the current article, we introduced new subclasses of bi-univalent functions associated with bounded boundary rotation. For these new classes, the authors first obtained two initial coefficient bounds.
Prathviraj Sharma +2 more
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