Initial Estimates of Seven Coefficients for a Subclass of Bi-Starlike Functions
We study a subclass of bi-starlike functions and obtain, for the first time, the initial seven Taylor– Maclaurin coefficient estimates |a 2 |, |a 3 |, . . . , |a 7 | for functions from a subclass of the function class Σ. Some new or known consequences of the accumulated results are also pointed out....
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| Veröffentlicht in: | Ukrainian mathematical journal 2022-04, Vol.73 (11), p.1825-1834 |
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| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | We study a subclass of bi-starlike functions and obtain, for the first time, the initial seven Taylor– Maclaurin coefficient estimates
|a
2
|, |a
3
|, . . . , |a
7
|
for functions from a subclass of the function class Σ. Some new or known consequences of the accumulated results are also pointed out. |
|---|---|
| ISSN: | 0041-5995 1573-9376 |
| DOI: | 10.1007/s11253-022-02032-2 |