Abstract
In this paper, we study a singular perturbation of an eigenvalues problem related to supra‐conductor wave guides. Using boundary layer tools we perform a complete asymptotic expansion of the eigenvalues as the conductivity tends to +∞.
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In this paper, we study a singular perturbation of an eigenvalues problem related to supra‐conductor wave guides. Using boundary layer tools we perform a complete asymptotic expansion of the eigenvalues as the conductivity tends to +∞.