Operators of Basic (or q-) Calculus and Fractional q-Calculus and Their Applications in Geometric Function Theory of Complex Analysis

HM Srivastava - Iranian Journal of Science and Technology …, 2020 - Springer
Basic (or q-) series and basic (or q-) polynomials, especially the basic (or q-) hypergeometric
functions and basic (or q-) hypergeometric polynomials, are known to have widespread …

Upper bound of the third Hankel determinant for a subclass of q-starlike functions associated with the q-exponential function

HM Srivastava, B Khan, N Khan, M Tahir… - Bulletin des Sciences …, 2021 - Elsevier
By making use of the concept of basic (or q-) calculus, a subclass S⁎(L, q) of q-starlike
functions, which is associated with the q-exponential function, is introduced here in the open …

[PDF][PDF] Applications of a certain q-integral operator to the subclasses of analytic and bi-univalent functions

B Khan, HM Srivastava, M Tahir, M Darus, QZ Ahmad… - AIMS Math, 2021 - aimspress.com
In the present investigation, our aim is to define a generalized subclass of analytic and
biunivalent functions associated with a certain q-integral operator in the open unit disk U …

A Study of Some Families of Multivalent q-Starlike Functions Involving Higher-Order q-Derivatives

B Khan, ZG Liu, HM Srivastava, N Khan, M Darus… - Mathematics, 2020 - mdpi.com
In the present investigation, by using certain higher-order q-derivatives, the authors
introduce and investigate several new subclasses of the family of multivalent q-starlike …

Applications of higher-order derivatives to subclasses of multivalent q-starlike functions

B Khan, ZG Liu, HM Srivastava… - … Journal of Science …, 2021 - search.proquest.com
Three new subfamilies of multivalent (or p-valent) g-starlike functions with respect to higher-
order g-derivatives are introduced. Several properties of such families of g-starlike functions …

[PDF][PDF] Applications of higher-order q-derivatives to the subclass of q-starlike functions associated with the Janowski functions

MSU Rehman, QZ Ahmad, HM Srivastava, N Khan… - AIMS Math, 2021 - aimspress.com
In this paper, we first investigate some subclasses of q-starlike functions. We then apply
higher-order q-derivative operators to introduce and study a new subclass of q-starlike …

A Subclass of Multivalent Janowski Type q-Starlike Functions and Its Consequences

Q Hu, HM Srivastava, B Ahmad, N Khan, MG Khan… - Symmetry, 2021 - mdpi.com
In this article, by utilizing the theory of quantum (or q-) calculus, we define a new subclass of
analytic and multivalent (or p-valent) functions class A p, where class A p is invariant (or …

Some Janowski Type Harmonic q-Starlike Functions Associated with Symmetrical Points

M Arif, O Barkub, HM Srivastava, S Abdullah, SA Khan - Mathematics, 2020 - mdpi.com
The motive behind this article is to apply the notions of q-derivative by introducing some new
families of harmonic functions associated with the symmetric circular region. We develop a …

A certain q-Ruscheweyh type derivative operator and its applications involving multivalent functions

B Khan, HM Srivastava, S Arjika, S Khan… - Advances in Difference …, 2021 - Springer
In the present paper, by using the concept of convolution and q-calculus, we define a certain
q-derivative (or q-difference) operator for analytic and multivalent (or p-valent) functions …

Some subclasses of p-valent -uniformly type q-starlike and q-convex functions defined by using a certain generalized q-Bernardi integral operator

HM Srivastava, SH Hadi, M Darus - Revista de la Real Academia de …, 2023 - Springer
In this article, we introduce and investigate a generalized q-Bernardi integral operator (or (p,
q)-Bernardi integral operator) for analytic and p-valent (or multivalent) functions. By using …