Mahmood, ShahidSrivastava, H.M.Khan, NazarAhmad, Qazi ZahoorAli, Irfan2019-03-272019-03-2720192019-03Mahmood, S., Srivastava, H.M., Khan, N., Ahmad, Q.Z., Khan, B. & Ali, I. (2019). Upper Bound of the Third Hankel Determinant for a Subclass of q-Starlike Functions. Symmetry, 11(3), 347. https://doi.org/10.3390/sym11030347https://doi.org/10.3390/sym11030347http://hdl.handle.net/1828/10668The main purpose of this article is to find the upper bound of the third Hankel determinant for a family of q-starlike functions which are associated with the Ruscheweyh-type q-derivative operator. The work is motivated by several special cases and consequences of our main results, which are pointed out herein.enanalytic functionsHadamard productstarlike functionsq-derivative (or q-difference) operatorHankel determinantq-starlike functionsArticleDepartment of Mathematics and Statistics