The Complex-Scaled Half-Space Matching Method. - Anne-Sophie Bonnet-Ben Dhia; Simon N. Chandler-Wilde; Sonia Fliss; Christophe Hazard; Karl-Mikael Perfekt; Yohanes Tjandrawidjaja (SIAM J. Math. Anal., 2022)

Infinitely Many Embedded Eigenvalues for the Neumann-Poincaré Operator in 3D. - Wei Li 194; Karl-Mikael Perfekt; Stephen P. Shipman (SIAM J. Math. Anal., 2022)

On the spectrum of the double-layer operator on locally-dilation-invariant Lipschitz domains. - Simon N. Chandler-Wilde; Raffael Hagger; Karl-Mikael Perfekt; Jani A. Virtanen (Numerische Mathematik, 2023)