… new subclasses of the function class Σ of bi-univalent functions defined in the open unit disk,
which are associated … is to find estimates on the coefficients |a2| and |a3| for functions in the …

… coefficient estimate problems associated with an interesting general subclass B Σ h , p ( λ ) of
analytic and bi-univalent functions … In particular, for functions belonging to this general class …

… In the present investigation, we derive estimates on the initial coefficients | a 2 | and | a 3 |
of a new subclass of the bi-univalent function class Σ . Several related classes are also …

… subclass H Σ h , p of analytic and bi-univalent functions in the open unit disk U . For functions
… H Σ h , p , we obtain estimates on the first two Taylor–Maclaurin coefficients | a 2 | and | a 3 | …

… For functions belonging to the two classes introduced here, we derive non-sharp estimates
on the initial coefficients |am+1| and |a2m+1|. Several connections to some of the earlier …

… We start with coefficient estimates for functions of the classes K(λ; α, β) and KΣ(λ; α, β). The …
estimate the upper bounds of initial coefficients of inverse functions and bi-univalent functions …

… Using the operator Dλ, we define following two new subclasses of bi-univalent functions. …
γ, ρ, λ, µ, ξ and δ, we get following well known subclasses of the class of biunivalent functions. …

… Here we propose to investigate the bi-univalent function class N … biunivalent functions in
the open unit disk U. We have derived estimates on the first two Taylor-Maclaurin coefficients |a2…

… two interesting subclasses of meromorphic and bi-univalent functions defined … certain
subclasses of meromorphic bi-univalent functions are introduced and estimates for the coefficients …

… subclasses of the bi-univalent functions class \(\Sigma \) and we … estimates on the initial
coefficients \(|a_{2}|\) and \(|a_{3}|\) for functions belonging to these new general subclasses. …