Hankel matrices are related to a wide range of disparate determinant computations and algorithms and some very attractive computational properties are allocated to them. Also, the Hankel determinants are crucial factors in the research of singularities and power series with integral coefficients. It is specified that the Fekete-Szegö functional and the second Hankel determinant are equivalent to H1(2) and H2(2), respectively. In this study, the upper bounds were obtained for the second Hankel determinant of the subclass of bi-univalent functions, which is defined by subordination. It is worth noticing that the bounds rendered in the present paper generalize and modify some previous results.
Denote S to be the class of functions which are analytic, normalised and univalent in the open unit ...
Upper bound of the second Hankel determinant for a subclass of analytic function
Making use of the Hankel determinant and the Ruscheweyh derivative, in this work, we consider a gene...
Hankel matrices are related to a wide range of disparate determinant computations and algorithms and...
In this paper, we investigate two sub-classes ...
Let A denote the class of functions f (z) = z + ∞ n=2 anz n which are analytic in the open unit dis...
In this paper, we obtain sharp upper bounds for the functional |a2a4 - a32| for functions belonging ...
The estimates for the second Hankel determinant a_2 a_4-a_3^2 of the analytic function f(z)=z+a_2 z^...
In the present investigation an upper bound of second Hankel determinant for the functions b...
Making use of the generalized Hankel determinant, in this work, we consider a general subclass of un...
The q-derivative and Hohlov operators have seen much use in recent years. First, numerous well-known...
Abstract. In the present investigation we consider Fekete-Szego problem with complex parameter and ...
Abstract. In the present paper, we consider a subclass of the function class Σ of bi-univalent analy...
In this paper, we discuss the various properties of a newly-constructed subclass of the class of nor...
AbstractIn the present investigation an upper bound of second Hankel determinant ∣a2a4−a32∣ for func...
Denote S to be the class of functions which are analytic, normalised and univalent in the open unit ...
Upper bound of the second Hankel determinant for a subclass of analytic function
Making use of the Hankel determinant and the Ruscheweyh derivative, in this work, we consider a gene...
Hankel matrices are related to a wide range of disparate determinant computations and algorithms and...
In this paper, we investigate two sub-classes ...
Let A denote the class of functions f (z) = z + ∞ n=2 anz n which are analytic in the open unit dis...
In this paper, we obtain sharp upper bounds for the functional |a2a4 - a32| for functions belonging ...
The estimates for the second Hankel determinant a_2 a_4-a_3^2 of the analytic function f(z)=z+a_2 z^...
In the present investigation an upper bound of second Hankel determinant for the functions b...
Making use of the generalized Hankel determinant, in this work, we consider a general subclass of un...
The q-derivative and Hohlov operators have seen much use in recent years. First, numerous well-known...
Abstract. In the present investigation we consider Fekete-Szego problem with complex parameter and ...
Abstract. In the present paper, we consider a subclass of the function class Σ of bi-univalent analy...
In this paper, we discuss the various properties of a newly-constructed subclass of the class of nor...
AbstractIn the present investigation an upper bound of second Hankel determinant ∣a2a4−a32∣ for func...
Denote S to be the class of functions which are analytic, normalised and univalent in the open unit ...
Upper bound of the second Hankel determinant for a subclass of analytic function
Making use of the Hankel determinant and the Ruscheweyh derivative, in this work, we consider a gene...