Results 11 to 20 of about 11,980 (190)

Coefficient Estimation Utilizing the Faber Polynomial for a Subfamily of Bi-Univalent Functions

open access: yesAxioms, 2023
The paper introduces a new family of analytic bi-univalent functions that are injective and possess analytic inverses, by employing a q-analogue of the derivative operator.
Abdullah Alsoboh   +5 more
doaj   +1 more source

The Faber Polynomials for Annular Sectors [PDF]

open access: yesMathematics of Computation, 1995
A conformal mapping of the exterior of the unit circle to the exterior of a region of the complex plane determines the Faber polynomials for that region. These polynomials are of interest in providing near-optimal polynomial approximations in a variety of contexts, including the construction of semiiterative methods for linear equations.
Coleman, John P., Myers, Nick J.
openaire   +2 more sources

Properties and Examples of Faber–Walsh Polynomials [PDF]

open access: yesComputational Methods and Function Theory, 2016
The Faber--Walsh polynomials are a direct generalization of the (classical) Faber polynomials from simply connected sets to sets with several simply connected components. In this paper we derive new properties of the Faber--Walsh polynomials, where we focus on results of interest in numerical linear algebra, and on the relation between the Faber--Walsh
Sète, Olivier, Liesen, Jörg
openaire   +3 more sources

Faber Polynomial Coefficient Bounds for m-Fold Symmetric Analytic and Bi-univalent Functions Involving q-Calculus

open access: yesJournal of Function Spaces, 2021
In our present investigation, by applying q-calculus operator theory, we define some new subclasses of m-fold symmetric analytic and bi-univalent functions in the open unit disk U=z∈ℂ ...
Zeya Jia   +4 more
doaj   +1 more source

Faber Polynomial Coefficient Estimates of Bi-Close-to-Convex Functions Associated with Generalized Hypergeometric Functions

open access: yesMathematics, 2022
A new subclass of bi-close-to-convex functions associated with the generalized hypergeometric functions defined in ∆={z∈C:|z|
Jie Zhai, Rekha Srivastava, Jin-Lin Liu
doaj   +1 more source

Approximation in Smirnov-Orlicz classes [PDF]

open access: yes, 2005
We use the approximation properties of the Faber polynomials to obtain some direct theorems of the polynomial approximation in Smirnov-Orlicz ...
Burcin Oktay   +2 more
core   +1 more source

Generalizing Certain Analytic Functions Correlative to the n-th Coefficient of Certain Class of Bi-Univalent Functions

open access: yesJournal of Mathematics, 2021
In the present paper, the authors implement the two analytic functions with its positive real part in the open unit disk. New types of polynomials are introduced, and by using these polynomials with the Faber polynomial expansion, a formula is structured
Hameed Ur Rehman   +2 more
doaj   +1 more source

Faber Polynomial Coefficient Estimates for Bi-Close-to-Convex Functions Defined by the q-Fractional Derivative

open access: yesAxioms, 2023
By utilizing the concept of the q-fractional derivative operator and bi-close-to-convex functions, we define a new subclass of A, where the class A contains normalized analytic functions in the open unit disk E and is invariant or symmetric under ...
Hari Mohan Srivastava   +5 more
doaj   +1 more source

Inexact Arnoldi residual estimates and decay properties for functions of non-Hermitian matrices [PDF]

open access: yes, 2018
We derive a priori residual-type bounds for the Arnoldi approximation of a matrix function and a strategy for setting the iteration accuracies in the inexact Arnoldi approximation of matrix functions.
Pozza, Stefano, Simoncini, Valeria
core   +2 more sources

Boundedness of Lebesgue Constants and Interpolating Faber Bases

open access: yesНаукові вісті Національного технічного університету України "Київський політехнічний інститут", 2017
Background. We investigate the relationship between the boundedness of Lebesgue constants for the Lagrange polynomial interpolation on a compact subset of \[\mathbb R\] and the existence of a Faber basis in the space of continuous functions on this ...
Viktoriia V. Bilet   +2 more
doaj   +1 more source

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