28 citations · 31 across the 80 of their papers we have counts for
12 papers · 1 filter
Pre-Schwarzian and Schwarzian norm Estimates for class of Ozaki Close-to-Convex functions
Molla Basir Ahamed, Rajesh Hossain
The primary objective of this paper is to derive sharp bounds for the norms of the Schwarzian and pre-Schwarzian derivatives in the Ozaki close-to-convex functions , expressed i…
Coefficient bounds for starlike functions associated with Gregory coefficients
Molla Basir Ahamed, Sanju Mandal
It is of interest to know the sharp bounds of the Hankel determinant, Zalcman functionals, Fekete-Szeg inequality as a part of coefficient problems for different classe…
The Bohr radius for operator valued functions on simply connected domain
Sabir Ahammed, Molla Basir Ahamed
In this paper, we first establish an improved Bohr inequality for the class of operator-valued holomorphic functions on a simply connected domain in . Next, we…
Refined Bohr inequalities and a refined Bohr-Rogosinski inequality on complex Banach spaces
Molla Basir Ahamed, Sabir Ahammed, Hidetaka Hamada
In this paper, we first establish refined versions of the Bohr inequalities for the class of holomorphic functions from the unit ball of a complex Banach space into $\mat…
Sharp radius of concavity for certain classes of analytic functions
Molla Basir Ahamed, Rajesh Hossain
Let be the class of all analytic functions defined on the open unit disk with the normalization . This paper examines the rad…
Sharp Bohr radius involving Schwarz functions for certain classes of analytic functions
Molla Basir Ahamed, Partha Pratim Roy
The Bohr radius for an arbitrary class of analytic functions of the form on the unit disk is…
Radius of concavity for certain class of functions
Molla Basir Ahamed, Rajesh Hossain
Let be the class of all meromorphic univalent functions defined in the unit disc of the complex plane with a simple pole at and normalized…
Bohr radius for invariant families of bounded analytic functions and certain Integral transforms
Molla Basir Ahamed, Partha Pratim Roy, Sabir Ahammed
In this paper, we first obtain a refined Bohr radius for invariant families of bounded analytic functions on unit disk . Then, we obtain Bohr inequality for certain i…
The Bohr inequality on a simply connected domain and its applications
Sabir Ahammed, Molla Basir Ahamed, Partha Pratim Roy
In this article, we first establish a generalized Bohr inequality and examine its sharpness for a class of analytic functions in a simply connected domain where $0\leq γ…
Existence of Solutions to Systems of General Quadratic Functional Equations in
Molla Basir Ahamed, Sanju Mandal
The main objective of this study is to investigate the existence and forms of solutions of systems of general quadratic functional equations in . By utilizing Nevanli…
Revisiting Bohr Inequalities with Analytic and Harmonic Mappings on unit disk
Molla Basir Ahamed, Partha Pratim Roy
In this paper, we study some improved and refined versions of the classical Bohr inequality applicable to the class , which consists of self-analytic mappings defined…
Bohr inequalities via proper combinations for a certain class of close-to-convex harmonic mappings
Molla Basir Ahamed, Partha Pratim Roy
Let be the class of complex-valued functions harmonic in and each , where and are analytic…