On a surprising instability result of Perfectly Matched Layers for Maxwell’s equations in 3D media with diagonal anisotropy

Bécache, Éliane; Fliss, Sonia; Kachanovska, Maryna; Kazakova, Maria

Comptes Rendus. Mathématique, Volume 359 (2021) p. 249-256

A Rellich type theorem for the Helmholtz equation in a conical domain

Bonnet-Ben Dhia, Anne-Sophie; Fliss, Sonia; Hazard, Christophe; Tonnoir, Antoine

Comptes Rendus. Mathématique, Volume 354 (2016) p. 27-32