Results 31 to 40 of about 528 (133)

Closed form expressions for Appell polynomials [PDF]

open access: yes, 2018
We show that any Appell sequence can be written in closed form as a forward difference transformation of the identity. Such transformations are actually multipliers in the abelian group of the Appell polynomials endowed with the operation of binomial ...
Lekuona, A., Adell, J.A.
core   +1 more source

On Appell-Laguerre polynomials

open access: yes, 1993
In this note we give a digest study of Appell-Laguerre polynomials, we provide a recurrence relation and a second-order differential equation satisfied by these polynomials.
Belmehdi, S.
core   +1 more source

Hahn's generalized problem and corresponding Appell sequences [PDF]

open access: yes, 2008
This thesis is devoted to some aspects of the theory of orthogonal polynomials, paying a special attention to the classical ones (Hermite, Laguerre, Bessel and Jacobi).
Loureiro, Ana F.
core  

On the Reducibility of Weighted Composition Operators Generated by Periodic Transformations

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2026, Issue 1, 2026.
In this article, we study the reducibility of weighted composition operators (also known as weighted displacement operators) acting on Banach spaces of continuous functions on a compact topological space X. We consider operators of the form Bu(x) = a(x)u(α(x)), where α : X⟶X is a continuous mapping and a is a continuous function.
Teube Cyrille Mbainaissem   +3 more
wiley   +1 more source

On the complex q-Appell polynomials

open access: yes, 2020
The purpose of this article is to generalize the ring of \(q\)-Appell polynomials to the complex case. The formulas for \(q\)-Appell polynomials thus appear again, with similar names, in a purely symmetric way.
Ernst, Thomas
core   +1 more source

Insights into New Generalization of q-Legendre-Based Appell Polynomials: Properties and Quasi Monomiality

open access: yesMathematics
In this paper, by using the zeroth-order q-Tricomi functions, the theory of three-variable q-Legendre-based Appell polynomials is introduced.
Naeem Ahmad, Waseem Ahmad Khan
doaj   +1 more source

New Classes of Degenerate Unified Polynomials

open access: yesAxioms, 2022
In this paper, we introduce a class of new classes of degenerate unified polynomials and we show some algebraic and differential properties. This class includes the Appell-type classical polynomials and their most relevant generalizations.
Daniel Bedoya   +3 more
doaj   +1 more source

Some Identities of the Probabilistic Changhee Polynomials and Their Applications

open access: yesJournal of Mathematics, Volume 2026, Issue 1, 2026.
Special numbers and polynomials are very important tools in diverse fields such as mathematics, physics, engineering, science, and related disciplines, addressing problems in areas like mathematical physics, numerical analysis, differential equations, fluid dynamics, and quantum mechanics.
Jin-Woo Park   +4 more
wiley   +1 more source

On the q-Lie group of q-Appell polynomial matrices and related factorizations

open access: yesSpecial Matrices, 2018
In the spirit of our earlier paper [10] and Zhang and Wang [16],we introduce the matrix of multiplicative q-Appell polynomials of order M ∈ ℤ. This is the representation of the respective q-Appell polynomials in ke-ke basis.
Ernst Thomas
doaj   +1 more source

Multiple Binomial‐Type Operators and Their Approximation Properties

open access: yesJournal of Mathematics, Volume 2026, Issue 1, 2026.
In this paper, we introduce multiple binomial‐type operators (multiple Bernstein–Sheffer operators) and investigate their approximation properties. These properties are analyzed by means of a Korovkin‐type theorem. Furthermore, by using the first and second modulus of continuity together with Peetre’s κ‐functional, we establish the rate of convergence ...
Mehmet Ali Özarslan   +3 more
wiley   +1 more source

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