activity
20202025
most citedA few results on permittivity variations in electromagnetic cavities

3 citations · 4 across the 6 of their papers we have counts for

collaborators

8 papers

math.AP2025

Geometric spectral properties of electromagnetic waveguides

Philippe Briet, Maxence Cassier, Thomas Ourmières-Bonafos +1

Consider a reference homogeneous and isotropic electromagnetic waveguide with a simply connected cross-section embedded in a perfect conductor. In this setting, when the waveguide…

math.SP2025

Shape Derivatives of the Eigenvalues of the De Rham Complex for Lipschitz Deformations and Variable Coefficients: Part II

Pier Domenico Lamberti, Dirk Pauly, Michele Zaccaron

In this second part of our series of papers, we develop an abstract framework suitable for de Rham complexes that depend on a parameter belonging to an arbitrary Banach space. Our…

math.AP2024

Shape Derivatives of the Eigenvalues of the De Rham Complex for Lipschitz Deformations and Variable Coefficients: Part I

Pier Domenico Lamberti, Dirk Pauly, Michele Zaccaron

We study eigenvalue problems for the de Rham complex on varying three dimensional domains. Our analysis includes the Helmholtz equation as well as the Maxwell system with mixed bou…

math.OC2024

A note on the failure of the Faber-Krahn inequality for the vector Laplacian

David Krejcirik, Pier Domenico Lamberti, Michele Zaccaron

We consider a natural eigenvalue problem for the vector Laplacian related to stationary Maxwell's equations in a cavity and we prove that an analog of the celebrated Faber-Krahn in…

math.AP2023

Permittivity optimization for Maxwell's eigenvalues

Pier Domenico Lamberti, Paolo Luzzini, Michele Zaccaron

We formulate an optimization problem for the dependence of the eigenvalues of Maxwell's equations in a cavity upon variation of the electric permittivity and we prove a correspondi…

math.AP2022★ 3 cited

A few results on permittivity variations in electromagnetic cavities

Paolo Luzzini, Michele Zaccaron

We study the eigenvalues of time-harmonic Maxwell's equations in a cavity upon changes in the electric permittivity of the medium. We prove that all the eigenvalues,…

math.AP2022★ 1 cited

Spectral stability of the operator via uniform Gaffney inequalities on perturbed electromagnetic cavities

Pier Domenico Lamberti, Michele Zaccaron

We prove spectral stability results for the operator subject to electric boundary conditions on a cavity upon boundary perturbations. The cavities are assumed to be suf…

math.SP2020

Shape sensitivity analysis for electromagnetic cavities

Pier Domenico Lamberti, Michele Zaccaron

We study the dependence of the eigenvalues of time-harmonic Maxwell's equations in a cavity upon variation of its shape. The analysis concerns all eigenvalues both simple and multi…