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math.AP2019★ 2 cited
Spectral Stability Estimates of Dirichlet Divergence Form Elliptic Operators
Vladimir Gol'dshtein, Valerii Pchelintsev, Alexander Ukhlov
We study spectral stability estimates of elliptic operators in divergence form with the Dirichlet boundary condition in non-Lipschitz domains $\w…
math.AP2019
Quasiconformal Mappings and Neumann Eigenvalues of Divergent Elliptic Operators
Vladimir Gol'dshtein, Valeryi Pchelintsev, Alexander Ukhlov
We study spectral properties of divergence form elliptic operators with the Neumann boundary condition in planar domains (including some fractal…