Some Results of New Subclasses for Bi-Univalent Functions Using Quasi-Subordination. - Waggas Galib Atshan; Ibtihal Abdul Ridha Rahman; Alina Alb Lupas (Symmetry, 2021)

On Third-Order Differential Subordination and Superordination Properties of Analytic Functions Defined by a Generalized Operator. - Waggas Galib Atshan; Rajaa Ali Hiress; Sahsene Altinkaya (Symmetry, 2022)

Third-Order Differential Subordination Results for Analytic Functions Associated with a Certain Differential Operator. - Amal Mohammed Darweesh; Waggas Galib Atshan; Ali Hussein Battor; Alina Alb Lupas (Symmetry, 2022)

Sandwich Theorems for a New Class of Complete Homogeneous Symmetric Functions by Using Cyclic Operator. - Intissar Abdulhur Kadum; Waggas Galib Atshan; Areej Tawfeeq Hameed (Symmetry, 2022)

New Results on Fourth-Order Differential Subordination and Superordination for Univalent Analytic Functions Involving a Linear Operator. - Bassim Kareem Mihsin; Waggas Galib Atshan; Shatha S. Alhily; Alina Alb Lupas (Symmetry, 2022)

On Sandwich-Type Results for a Subclass of Certain Univalent Functions Using a New Hadamard Product Operator. - Mustafa A. Sabri; Waggas Galib Atshan; Essam El-Seidy (Symmetry, 2022)

New Results on Higher-Order Differential Subordination and Superordination for Univalent Analytic Functions Using a New Operator. - Sarab Dakhil Theyab; Waggas Galib Atshan; Alina Alb Lupas; Habeeb Kareem Abdullah (Symmetry, 2022)

New Results on Integral Operator for a Subclass of Analytic Functions Using Differential Subordinations and Superordinations. - Fatima Obaid Salman; Waggas Galib Atshan (Symmetry, 2023)

Certain Results on Subclasses of Analytic and Bi-Univalent Functions Associated with Coefficient Estimates and Quasi-Subordination. - Elaf Ibrahim Badiwi; Waggas Galib Atshan; Ameera N. Alkiffai; Alina Alb Lupas (Symmetry, 2023)

On Third Hankel Determinant for Certain Subclass of Bi-Univalent Functions. - Qasim Ali Shakir; Waggas Galib Atshan (Symmetry, 2024)

Second Hankel Determinant and Fekete-Szegö Problem for a New Class of Bi-Univalent Functions Involving Euler Polynomials. - Semh Kadhim Gebur; Waggas Galib Atshan (Symmetry, 2024)