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math.AP2026
Optimal location of small favourable regions for Robin eigenvalues with indefinite weights
Baruch Schneider, Diana Schneiderová, Yifan Zhang
We consider the positive principal eigenvalue of an elliptic problem with a Robin boundary condition and bang--bang indefinite weight , and a…
math.AP2026
Global small-hole minimization of the first Dirichlet eigenvalue in a square with two hard obstacles
Baruch Schneider, Diana Schneiderová, Yifan Zhang
We study the global minimization of the first Dirichlet eigenvalue of a square containing two equal non-overlapping circular obstacles as their common radius tends to zero. A c…