Results 11 to 20 of about 8,767,642 (231)

On the Approximation by Bivariate Szász–Jakimovski–Leviatan-Type Operators of Unbounded Sequences of Positive Numbers

open access: yesMathematics, 2023
In this paper, we construct the bivariate Szász–Jakimovski–Leviatan-type operators in Dunkl form using the unbounded sequences αn, βm and ξm of positive numbers.
Abdullah Alotaibi
doaj   +1 more source

Applied Koopman Operator Theory for Power Systems Technology [PDF]

open access: yesarXiv.org, 2016
Koopman operator is a composition operator defined for a dynamical system described by nonlinear differential or difference equation. Although the original system is nonlinear and evolves on a finite-dimensional state space, the Koopman operator itself ...
Y. Susuki   +3 more
semanticscholar   +1 more source

Derivation and Analysis of the Primal-Dual Method of Multipliers Based on Monotone Operator Theory [PDF]

open access: yesIEEE Transactions on Signal and Information Processing over Networks, 2017
In this paper, we present a novel derivation of an existing algorithm for distributed optimization termed the primal-dual method of multipliers (PDMM).
Thomas W. Sherson   +2 more
semanticscholar   +1 more source

Approximation of GBS Type q-Jakimovski-Leviatan-Beta Integral Operators in Bögel Space

open access: yesMathematics, 2022
In the present article, we introduce the bivariate variant of Beta integral type operators based on Appell polynomials via q-calculus. We study the local and global type approximation properties for these new operators.
Abdullah Alotaibi
doaj   +1 more source

Approximation on a class of Phillips operators generated by q-analogue

open access: yesJournal of Inequalities and Applications, 2020
The main purpose of this article is to introduce a new generalization of q-Phillips operators generated by Dunkl exponential function. We establish some approximation results for these operators. We also determine the order of approximation, and the rate
Abdullah Alotaibi
doaj   +1 more source

Solvability of second order linear differential equations in the sequence space n(ϕ) $n(\phi)$

open access: yesAdvances in Difference Equations, 2018
We apply the concept of measure of noncompactness to study the existence of solution of second order differential equations with initial conditions in the sequence space n(ϕ) $n(\phi)$.
Abdullah Alotaibi   +2 more
doaj   +1 more source

General Decay of the Moore–Gibson–Thompson Equation with Viscoelastic Memory of Type II

open access: yesJournal of Function Spaces, 2022
This study deals with the general decay of solutions of a new class of Moore–Gibson–Thompson equation with respect to the memory kernel of type II. By using the energy method in the Fourier space, we establish the main results.
Salah Boulaaras   +2 more
doaj   +1 more source

Existence and Uniqueness Results of Fractional Differential Inclusions and Equations in Sobolev Fractional Spaces

open access: yesAxioms, 2023
In this work, by using the iterative method, we discuss the existence and uniqueness of solutions for multiterm fractional boundary value problems. Next, we examine some existence and uniqueness returns for semilinear fractional differential inclusions ...
Safia Meftah   +3 more
doaj   +1 more source

Local and Semilocal Vertex Operator Algebras [PDF]

open access: yes, 2004
We investigate a general structure theory for a vertex operator algebra. We discuss the center and blocks, the Jacobson radical and solvable radical and local vertex operator algebras.
Dong, Chongying, Mason, Geoffrey
core   +2 more sources

Matrix Functions of Bounded Type: An Interplay Between Function Theory and Operator Theory [PDF]

open access: yesMemoirs of the American Mathematical Society, 2016
In this paper, we study matrix functions of bounded type from the viewpoint of describing an interplay between function theory and operator theory. \ We first establish a criterion on the coprime-ness of two singular inner functions and obtain several ...
R. Curto, I. Hwang, W. Lee
semanticscholar   +1 more source

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