k−uniformly multivalent functions involving Liu-Owa q−integral operator

k−uniformly multivalent functions involving Liu-Owa q−integral operator

In this paper, we introduce q−analogue of Liu-Owa integral operator and define a subclass of k−uniformly multivalent starlike functions of order γ,(0 ≤ γ < p; p ∈ N) by using the Liu-Owa q−integral operator. We examine coefficient estimates, growth and distortion bounds for the functions belonging to the subclass of k−uniformly multivalent starlike functions of order γ . Moreover, we determine radii of k−uniformly starlikeness, convexity and close-to-convexity for the functions belonging to this subclass.

___

  • [1] Abramowitz M, Stegun CA. Handbook of mathematical functions with formulas, graphs and mathematical tables. Nathional Bureau of standards, Applied Mathematics Series 55. Washington, DC, 1964.
  • [2] Andrews GE, Askey R, Roy R. Special Functions. Cambridge University Press, Cambridge, 1999.
  • [3] Bernardi SD. Convex and starlike univalent functions. Transactions of the American Mathematical Society 1969; 135; 429-446.
  • [4] Fine NJ. Basic hypergeometric series and applications. Mathematical Surveys and Monographs 1988.
  • [5] Gasper G, Rahman M. Basic hypergeometric series. Cambridge University Press, 2004.
  • [6] Goodman AW. Univalent functions Vol. I and II. Polygonal Pub. House, 1983.
  • [7] Heine E. Handbuch der Kugelfunctionen, Theorie und Anwendungen. G. Reimer, Berlin, 1818.
  • [8] Jackson FH. A generalization of the functions $Γ(n) and x^n$. Proceedings of the Royal Society of London 1904; 74; 64-72.
  • [9] Jackson FH. On q−functions and a certain difference operator. Transactions of the Royal Society of Edinburgh 1908; 46 (2); 253-281.
  • [10] Jackson FH. On q−definite integrals. Quarterly Journal of Pure and Applied Mathematics 1910; 41; 193-203.
  • [11] Jackson FH. q−difference equations, American Journal of Mathematics 1910; 32 (4): 305-314.
  • [12] Jung IB, Kim YC, Srivastava HM. The Hardy space of analytic function associated with certain one parameter families of integral operators. Journal of Mathematical Analysis and Applications 1993; 179; 138-147.
  • [13] Kac V, Cheung P. Quantum calculus. Springer-Verlag, New-York, 2002.
  • [14] Kharsani HA. Multiplier transformations and k−uniformly p−valent starlike functions. General Mathematics 2009; 17; 13-22.
  • [15] Liu JL, Owa S. Properties of certain integral operators. International Journal of Mathematics and Mathematical Sciences 2004; 3; 69-75.
  • [16] Mahmood S, Raza N, Abujarad ESA, Srivastava G, Srivastava HM, Malik SN. Geometric properties of certain classes of analytic functions associated with q−integral operators. Symmetry, 2019.
  • [17] Noor KI, Riaz S, Noor MA. On q−Bernardi integral operator. TWMS Journal of Pure and Applied Mathematics 2017; 8 (1); 3-11.