Asymptotics of Robin eigenvalues for non-isotropic peaks

Marco Vogel

Let $\Omega \subset {\mathbb{R}}^3$ be an open set such that \begin{align*} &Ω\cap (-δ,δ)^3=\left\{(x_1,x_2,x_3)\in \mathbb{R}^2\times(0,δ): \, \left(\frac{x_1}{x_3^p},\frac{x_2}{x_3^q}\ri…