Geodesic
On coefficient inequalities of certain subclasses of bi-univalent functions involving the Sălăgean operator
Filomat, Tome 35 (2021) no. 4, p. 1305

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DOI

In the present investigation, with motivation from the pioneering work of Srivastava et al. [28], which in recent years actually revived the study of analytic and bi-univalent functions, we introduce the subclasses T * Σ (n, β) and T Σ (n, α) of analytic and bi-univalent function class Σ defined in the open unit disk U = {z ∈ C : |z| 1} and involving the Sălăgean derivative operator D n. Moreover, we derive estimates on the initial coefficients |a 2 | and |a 3 | for functions in these subclasses and pointed out connections with some earlier known results
DOI : 10.2298/FIL2104305P
Classification : 30C45, 30C50
Keywords: analytic function, univalent function, bi-univalent function, coefficient estimate, Sălăgean differential operator 
Amol B Patil; Uday H Naik. On coefficient inequalities of certain subclasses of bi-univalent functions involving the Sălăgean operator. Filomat, Tome 35 (2021) no. 4, p. 1305 . doi: 10.2298/FIL2104305P
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     title = {On coefficient inequalities of certain subclasses of bi-univalent functions involving the {S\u{a}l\u{a}gean} operator},
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     pages = {1305 },
     year = {2021},
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     doi = {10.2298/FIL2104305P},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2104305P/}
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