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pro vyhledávání: '"Delourme, Bérangère"'
Autor:
Delourme, Bérangère, Hewett, David P.
Publikováno v:
Comptes Rendus. Mathématique, Vol 358, Iss 7, Pp 777-784 (2020)
In this note we consider the scattering of electromagnetic waves (governed by the time-harmonic Maxwell equations) by a thin periodic layer of perfectly conducting obstacles. The size of the obstacles and the distance between neighbouring obstacles a
Externí odkaz:
https://doaj.org/article/39b344a759d5458ba53e82fdd3df2d31
Autor:
Delourme, Bérangère, Fliss, Sonia
This paper deals with the existence of guided waves and edge states in particular two-dimensional media obtained by perturbing a reference periodic medium with honeycomb symmetry. This reference medium is a thin periodic domain (the thickness is deno
Externí odkaz:
http://arxiv.org/abs/2309.02023
We provide an example of a normalized $L^{2}(\mathbb R)$ function $u$ such that its Wigner distribution $\mathcal W(u,u)$ has an integral $>1$ on the square $[0,a]\times[0,a]$ for a suitable choice of $a$. This provides a negative answer to a questio
Externí odkaz:
http://arxiv.org/abs/1901.07262
Autor:
Delourme, Bérangère, Hewett, David P.
In this note we consider the scattering of electromagnetic waves (governed by the time-harmonic Maxwell equations) by a thin periodic layer of perfectly conducting obstacles. The size of the obstacles and the distance between neighbouring obstacles a
Externí odkaz:
http://arxiv.org/abs/1806.10433
Publikováno v:
Asymptotic Analysis, IOS Press, 2017, 103(3) (103-134)
The present paper deals with the wave propagation in a particular two dimensional structure, obtained from a localized perturbation of a reference periodic medium. This reference medium is a ladder like domain, namely a thin periodic structure (the t
Externí odkaz:
http://arxiv.org/abs/1709.06345
In this note, we exhibit a three dimensional structure that permits to guide waves. This structure is obtained by a geometrical perturbation of a 3D periodic domain that consists of a three dimensional grating of equi-spaced thin pipes oriented along
Externí odkaz:
http://arxiv.org/abs/1612.02615
In this work, we present a new solution representation for the Helmholtz transmission problem in a bounded domain in $\mathbb{R}^2$ with a thin and periodic layer of finite length. The layer may consists of a periodic pertubation of the material coef
Externí odkaz:
http://arxiv.org/abs/1611.06001
Autor:
Delourme, Bérangère
Dans cette thèse, nous nous intéressons à la résolution des équations de Maxwell dans une structure périodique constituée d'un anneau mince de matériau diélectrique de rayon moyen r à l'intérieur duquel s'enroulent deux nappes de fils hél
Externí odkaz:
http://tel.archives-ouvertes.fr/tel-00650354
http://tel.archives-ouvertes.fr/docs/00/65/03/54/PDF/TheseDelourme.pdf
http://tel.archives-ouvertes.fr/docs/00/65/03/54/PDF/TheseDelourme.pdf
The present work deals with the resolution of the Poisson equation in a bounded domain made of a thin and periodic layer of finite length placed into a homogeneous medium. We provide and justify a high order asymptotic expansion which takes into acco
Externí odkaz:
http://arxiv.org/abs/1506.06964
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