Weakly singular linear Volterra integral equations: A Nyström method in weighted spaces of continuous functions

L Fermo, D Occorsio - Journal of Computational and Applied Mathematics, 2022 - Elsevier
This paper provides a Nyström method for the numerical solution of Volterra integral
equations whose kernels contain singularities of algebraic type. It is proved that the method …

A global approximation method for second-kind nonlinear integral equations

L Fermo, AL Laguardia, C Laurita, MG Russo - Applied Mathematics and …, 2025 - Elsevier
A global approximation method of Nyström type is explored for the numerical solution of a
class of nonlinear integral equations of the second kind. The cases of smooth and weakly …

A Fully Discrete High-Order Fast Multiscale Galerkin Method for Solving Boundary Integral Equations in a Domain with Corners

Y Fang, Y Jiang - Journal of Scientific Computing, 2023 - Springer
In this paper, we develop a fully discrete fast multiscale Galerkin method for solving the
boundary integral equation derived from the interior Dirichlet problem in a domain with …

A projection method for Volterra integral equations in weighted spaces of continuous functions

T Diogo, L Fermo, D Occorsio - Journal of Integral Equations and …, 2022 - projecteuclid.org
This paper is concerned with the numerical treatment of second kind Volterra integral
equations whose integrands present diagonal and/or endpoint algebraic singularities. A …

[HTML][HTML] A modified Nyström method for integral equations with Mellin type kernels

MC De Bonis, C Laurita - Journal of Computational and Applied …, 2016 - Elsevier
The aim of this paper is to propose a new modified Nyström method for the approximation of
the solutions of second kind integral equations with fixed singularities of Mellin convolution …

On the numerical solution of a boundary integral equation for the exterior Neumann problem on domains with corners

L Fermo, C Laurita - Applied Numerical Mathematics, 2015 - Elsevier
The authors propose a “modified” Nyström method to approximate the solution of a
boundary integral equation connected with the exterior Neumann problem for Laplace's …

An error estimate for the Gauss-Jacobi-Lobatto quadrature rule

C Laurita - arXiv preprint arXiv:2201.08454, 2022 - arxiv.org
An error estimate for the Gauss-Lobatto quadrature formula for integration over the interval
$[-1, 1] $, relative to the Jacobi weight function $ w^{\alpha,\beta}(t)=(1-t)^\alpha (1+ t)^\beta …

Nystrom methods and combination for solving the first-kind boundary integral equation

YZ Li, LM Huang, KL Zheng - Thermal Science, 2024 - doiserbia.nb.rs
Based on the single-layer potential theory, the Laplace equation can be converted into the
problem of the first-kind boundary integral equation (BIE1st). The kernel of BIE1st is …

A Nyström method for mixed boundary value problems in domains with corners

L Fermo, C Laurita - Applied Numerical Mathematics, 2020 - Elsevier
In this paper we propose a new approach to the numerical solution of the mixed Dirichlet-
Neumann boundary value problem for the Laplace equation in planar domains with …

On the stability of a modified Nyström method for Mellin convolution equations in weighted spaces

MC De Bonis, C Laurita - Numerical Algorithms, 2018 - Springer
This paper deals with the numerical solution of second kind integral equations with fixed
singularities of Mellin convolution type. The main difficulty in solving such equations is the …