Physical key-protected one-time pad - Roarke Horstmeyer; Benjamin Judkewitz; Ivo M. Vellekoop; Changhuei Yang (CoRR, 2013)

A convergent Born series for solving the inhomogeneous Helmholtz equation in arbitrarily large media. - Gerwin Osnabrugge; Saroch Leedumrongwatthanakun; Ivo M. Vellekoop (J. Comput. Phys., 2016)

A universal preconditioner for linear systems. - Tom Vettenburg; Ivo M. Vellekoop (CoRR, 2022)