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Weyl formula for the negative dissipative eigenvalues of Maxwell's equations
Language
en
Article de revue
This item was published in
Archiv der Mathematik. 2018-02-20, vol. 110, n° 2, p. 183-195
Springer Verlag
English Abstract
Let $V(t) = e^{tG_b},\: t \geq 0,$ be the semigroup generated by Maxwell's equations in an exterior domain $\Omega \subset {\mathbb R}^3$ with dissipative boundary condition $E_{tan}- \gamma(x) (\nu \wedge B_{tan}) = 0, ...Read more >
Let $V(t) = e^{tG_b},\: t \geq 0,$ be the semigroup generated by Maxwell's equations in an exterior domain $\Omega \subset {\mathbb R}^3$ with dissipative boundary condition $E_{tan}- \gamma(x) (\nu \wedge B_{tan}) = 0, \gamma(x) > 0, \forall x \in \Gamma = \partial \Omega.$ We study the case when $\Omega = \{x \in {\mathbb R^3}:\: |x| > 1\}$ and $\gamma \neq 1$ is a constant. We establish a Weyl formula for the counting function of the negative real eigenvalues of $G_b.$Read less <
Origin
Hal imported