Local invariants for multi-partite entangled states allowing for a simple entanglement criterion. - Hans Aschauer; John Calsamiglia; Marc Hein; Hans J. Briegel (Quantum Inf. Comput., 2004)

Certificate Management Protocol (CMP) Algorithms. - Hendrik Brockhaus; Hans Aschauer; Mike Ounsworth; John Gray (RFC, 2023)