2022Journal of Function SpacesOpen access

Starlikeness Associated with Tangent Hyperbolic Function

Huo Tang, Muhammad Arif, Khalil Ullah, Nazar Khan, Mirajul Haq, Bilal Khan

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Abstract

The primary objective of this study is to establish a class of starlike functions (symmetric under rotation) that are related to a tangent hyperbolic. Integral preserving properties along with the sufficiency criteria involving coefficients are investigated for the same class. Differential subordinations problems, which are linked to Janowski and tangent hyperbolic functions, are also discussed. We also utilize these findings to find sufficient conditions for the starlike functions.

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What this paper is about

The primary objective of this study is to establish a class of starlike functions (symmetric under rotation) that are related to a tangent hyperbolic. Integral preserving properties along with the sufficiency criteria involving coefficients are investigated for the same class. Differential subordinations problems, which are linked to Janowski and tangent hyperbolic functions, are also discussed. We also utilize these findings to find sufficient conditions for the starlike functions.

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Available abstract

The primary objective of this study is to establish a class of starlike functions (symmetric under rotation) that are related to a tangent hyperbolic. Integral preserving properties along with the sufficiency criteria involving coefficients are investigated for the same class. Differential subordinations problems, which are linked to Janowski and tangent hyperbolic functions, are also discussed. We also utilize these findings to find sufficient conditions for the starlike functions.

Key concepts: Tangent, Hyperbolic function, Mathematics, Class (philosophy), Function (biology), Differential (mechanical device), Mathematical analysis, Rotation (mathematics)

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