Quantitative bounds on Impedance-to-Impedance operators with applications to fast direct solvers for PDEs. - Thomas Beck; Yaiza Canzani; Jeremy Louis Marzuola (CoRR, 2021)

On non-local exchange and scattering operators in domain decomposition methods. - Thomas Beck; Yaiza Canzani; Jeremy Louis Marzuola (CoRR, 2025)