Geodesic
Applications of the Horadam polynomials involving λ-pseudo-starlike bi-univalent functions associated with a certain convolution operator
Filomat, Tome 35 (2021) no. 14, p. 4645

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In this article, we introduce and study a new family P Σ (δ, λ, k, γ, α, β, r) of normalized analytic and λ-pseudo-starlike bi-univalent functions by using the Horadam polynomials, which is associated with a certain convolution operator defined in the open unit disk U. We establish the bounds for |a 2 | and |a 3 |, where a 2 , a 3 are the initial Taylor-Maclaurin coefficients. Furthermore, we obtain the Fekete-Szegö inequality for functions in the class P Σ (δ, λ, k, γ, α, β, r), which we have introduced here. We indicate several special cases and consequences for our results. Finally, we comment on the recent usages, especially in Geometric Function Theory of Complex Analysis, of the basic (or q-) calculus and also of its trivial and inconsequentional (p, q)-variation involving an obviously redundant parameter p
DOI : 10.2298/FIL2114645S
Classification : 30C45, 11B39, 30C50, 33C05
Keywords: Analytic functions, Univalent functions, Bi-univalent functions, Horadam polynomials, Upper bounds, Fekete-Szego¨ problem, Convolution operator, Subordination between analytic functions, Basic (or q-) calculus and its so-called (p, q)-variation 
H M Srivastava; A K Wanas. Applications of the Horadam polynomials involving λ-pseudo-starlike bi-univalent functions associated with a certain convolution operator. Filomat, Tome 35 (2021) no. 14, p. 4645 . doi: 10.2298/FIL2114645S
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     author = {H M Srivastava and A K Wanas},
     title = {Applications of the {Horadam} polynomials involving \ensuremath{\lambda}-pseudo-starlike bi-univalent functions associated with a certain convolution operator},
     journal = {Filomat},
     pages = {4645 },
     year = {2021},
     volume = {35},
     number = {14},
     doi = {10.2298/FIL2114645S},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2114645S/}
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