Singularly perturbed boundary value problems

M Dalla Riva, M Lanza de Cristoforis… - A Functional Analytic …, 2021 - Springer
This book is the first introductory and self-contained presentation of a method for the
analysis of singularly perturbed boundary value problems that we have called the Functional …

Perturbation analysis of the effective conductivity of a periodic composite

P Luzzini, P Musolino - Networks and Heterogeneous Media, 2020 - research.unipd.it
We consider the effective conductivity λeff of a periodic two-phase composite obtained by
introducing into an infinite homogeneous matrix a periodic set of inclusions of a different …

[PDF][PDF] A real analyticity result for a nonlinear integral operator

MLD Cristoforis, P Musolino - 2013 - projecteuclid.org
We consider a nonlinear integral operator which involves a Nemytskij type operator and
which appears in the applications as a pull-back of layer potential operators. We prove an …

Shape analyticity and singular perturbations for layer potential operators

M Dalla Riva, P Luzzini, P Musolino - … : Mathematical Modelling and …, 2022 - esaim-m2an.org
We study the effect of regular and singular domain perturbations on layer potential operators
for the Laplace equation. First, we consider layer potentials supported on a diffeomorphic …

[HTML][HTML] Shape analysis of the longitudinal flow along a periodic array of cylinders

P Luzzini, P Musolino, R Pukhtaievych - Journal of Mathematical Analysis …, 2019 - Elsevier
We study the behavior of the longitudinal flow along a periodic array of cylinders upon
perturbations of the shape of the cross section of the cylinders and the periodicity structure …

Dependence of effective properties upon regular perturbations

M Dalla Riva, P Luzzini, P Musolino… - Mechanics and Physics …, 2022 - Elsevier
In this survey, we present some results on the behavior of effective properties in presence of
perturbations of the geometric and physical parameters. We first consider the case of a …

A singularly perturbed Dirichlet problem for the Laplace operator in a periodically perforated domain. A functional analytic approach

P Musolino - Mathematical Methods in the Applied Sciences, 2012 - Wiley Online Library
Let Ω be a sufficiently regular bounded connected open subset of such that 0∈ Ω and that is
connected. Then we take q11,…, qnn∈] 0,+∞[and. If ε is a small positive number, then we …

Multi-parameter perturbations for the space periodic heat equation

MD Riva, P Luzzini, R Molinarolo… - arXiv preprint arXiv …, 2023 - arxiv.org
This paper is divided into three parts. The first part focuses on periodic layer heat potentials,
demonstrating their smooth dependence on regular perturbations of the support of …

Regularizing properties of space‐periodic layer heat potentials and applications to boundary value problems in periodic domains

P Luzzini - Mathematical Methods in the Applied Sciences, 2020 - Wiley Online Library
We introduce space‐periodic layer heat potentials and we prove some regularizing
properties in parabolic Schauder spaces defined on the boundary of infinite parabolic …

[HTML][HTML] Existence result for a nonlinear mixed boundary value problem for the heat equation

R Molinarolo - Journal of Mathematical Analysis and Applications, 2025 - Elsevier
In this paper we study the existence of solutions in parabolic Schauder space of a nonlinear
mixed boundary value problem for the heat equation in a perforated domain. From a given …