Results 21 to 30 of about 206,050 (258)

Boosting the Maxwell double layer potential using a right spin factor [PDF]

open access: yes, 2018
We construct new spin singular integral equations for solving scattering problems for Maxwell's equations, both against perfect conductors and in media with piecewise constant permittivity, permeability and conductivity, improving and extending earlier ...
Rosén, Andreas
core   +2 more sources

On the Existence of Solutions of Nonlinear Fredholm Integral Equations from Kantorovich’s Technique

open access: yesAlgorithms, 2017
The well-known Kantorovich technique based on majorizing sequences is used to analyse the convergence of Newton’s method when it is used to solve nonlinear Fredholm integral equations. In addition, we obtain information about the domains of existence and
José Antonio Ezquerro   +1 more
doaj   +1 more source

METHODS FOR SOLVING FREDHOLM INTEGRAL EQUATIONS

open access: yesBULLETIN Series of Physics & Mathematical Sciences, 2020
The article deals with integral equations that are widely used in various sections of physics (theory of waves on the surface of liquids, quantum mechanics, problems of spectroscopy, crystallography, acoustics, analysis and diagnostics of plasma, etc ...
R.S. Ysmagul, А.Е. Nurgeldina
semanticscholar   +1 more source

Level-Spacing Distributions and the Bessel Kernel [PDF]

open access: yes, 1993
The level spacing distributions which arise when one rescales the Laguerre or Jacobi ensembles of hermitian matrices is studied. These distributions are expressible in terms of a Fredholm determinant of an integral operator whose kernel is expressible in
A. Edelman   +27 more
core   +3 more sources

Inverse problem for a Fredholm third order partial integro-differential equation

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2014
The solvability of various problems for partial differential equations of the third order is researched in many papers. But, partial Fredholm integro-differential equations of the third order are studied comparatively less. Integro-differential equations
Tursun K Yuldashev
doaj   +1 more source

An approach of extrapolation methods for the solution of nonlinear Volterra–Fredholm integral equations of the second kind [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization
This study presents the process of using extrapolation methods to solve the nonlinear Volterra–Fredholm integral equations of the second kind. To do this, by approximating the integral terms contained in equations by a quadrature rule, the nonlinear ...
H. Safdari   +2 more
doaj   +1 more source

Solutions of Fractional Differential Type Equations by Fixed Point Techniques for Multivalued Contractions

open access: yesComplexity, 2021
This paper involves extended b−metric versions of a fractional differential equation, a system of fractional differential equations and two-dimensional (2D) linear Fredholm integral equations. By various given hypotheses, exciting results are established
Hasanen A. Hammad   +2 more
doaj   +1 more source

Evans function and Fredholm determinants [PDF]

open access: yes, 2014
We explore the relationship between the Evans function, transmission coefficient and Fredholm determinant for systems of first order linear differential operators on the real line.
Karambal, Issa, Malham, Simon J. A
core   +3 more sources

Solving two-dimensional fuzzy Fredholm integral equations via sinc collocation method

open access: yesAdvances in Difference Equations, 2020
In this paper, we present a numerical method to solve two-dimensional fuzzy Fredholm integral equations (2D-FFIE) by combing the sinc method with double exponential (DE) transformation.
Yanying Ma, Hu Li, Suping Zhang
doaj   +1 more source

Use of Bernstein Polynomial in Numerical Solution of Nonlinear Fred Holm Integral Equation [PDF]

open access: yesEngineering and Technology Journal, 2011
In this paper, Bernstein polynomials with different degree has been used to approximate the solution of nonlinear Fredholm integral equations. A comparison between the different degree of Bernstein polynomials has been made depending on absolute error ...
Khawla A .AL-Zubaidy, Muna M. Mustafa
doaj   +1 more source

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