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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2403.19712 |
| Etiquetas: |
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- This article presents several findings regarding second and third-order differential subordination of the form: $$ p(z)+γ_1 zp'(z)+γ_2 z^2p''(z)\prec h(z)\implies p(z)\prec e^z $$ and $$ p(z)+γ_1 zp'(z)+γ_2 z^2p''(z)+γ_3 z^3p'''(z)\prec h(z)\implies p(z)\prec e^z. $$ Here, $γ_1$, $γ_2$, and $γ_3$ represent positive real numbers, and various selections of $h(z)$ are explored within the context of the class $\mathcal{S}^{*}_{e} := \{f \in \mathcal{A} : zf'(z)/f(z) \prec e^z\}$, which denotes the class of starlike functions associated with the exponential function.