On a new subclass of strongly starlike functions involving certain subordination

A new class $S_{es}^{\ast }$ of normalized analytic functions $f$ satisfying $\frac{zf^{\prime }(z)}{f(z)}\prec e^{\sin z}$ in the unit disk $\mathbb{U}=\left\{z\in \mathbb{C}:\left\vert z\right\vert \lt 1\right\}$ is defined. Structural representations and coefficient inequalities for the class $S_{es}^{\ast }$ are obtained. In addition, certain inclusion results for some well known function classes and radii results are also investigated.

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Publication Details

Journal
Advanced Studies Euro-Tbilisi Mathematical Journal
Published
2025-04-01
DOI
https://doi.org/10.32513/asetmj/1932200825003
Primary Topic
Analytic and geometric function theory
Type
article
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article

On a new subclass of strongly starlike functions involving certain subordination

Poonam Sharma, Harshita Bhardwaj
Advanced Studies Euro-Tbilisi Mathematical Journal
Analytic and geometric function theory
article

On a new subclass of strongly starlike functions involving certain subordination

Poonam Sharma, Harshita Bhardwaj
article en

Abstract

A new class $S_{es}^{\ast }$ of normalized analytic functions $f$ satisfying $\frac{zf^{\prime }(z)}{f(z)}\prec e^{\sin z}$ in the unit disk $\mathbb{U}=\left\{z\in \mathbb{C}:\left\vert z\right\vert \lt 1\right\}$ is defined. Structural representations and coefficient inequalities for the class $S_{es}^{\ast }$ are obtained. In addition, certain inclusion results for some well known function classes and radii results are also investigated.

Advanced Studies Euro-Tbilisi Mathematical JournalVol. 18(1)
Openalex Percentile: Top 89%
Analytic and geometric function theory
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On a new subclass of strongly starlike functions involving certain subordination — Poonam Sharma, Harshita Bhardwaj · Advanced Studies Euro-Tbilisi Mathematical Journal (2025) | TGRS Research Map | TGRS