Operators and Matrices · Volume 11, Issue 4 Resonance free regions and non-Hermitian spectral optimization for Schrödinger point interactions 11-76 Pages 1097-1117 DOI 10.7153/oam-2017-11-76 Downloads Short PDF Full PDF PNG Authors Sergio Albeverio Illya M. Karabash Keywords exponential polynomial Pareto optimal design high-Q cavity quasi-normal eigenvalue scattering pole delta-interaction zero-range Subject classes 35J10 35B34 35P15 49R05 90C29 47B44