Hankel determinant for a general subclass of m-fold symmetric bi-univalent functions defined by Ruscheweyh operator

Pishtiwan Othman Sabir, Ravi P. Agarwal, Shabaz Jalil MohammedFaeq +3

Making use of the Hankel determinant and the Ruscheweyh derivative, in this work, we consider a general subclass of m-fold symmetric normalized bi-univalent functions defined in th…