The geometry of passivity for quantum systems and a novel elementary derivation of the Gibbs state. - Nikolaos Koukoulekidis; Rhea Alexander; Thomas Hebdige; David Jennings (Quantum, 2021)

Faster Born probability estimation via gate merging and frame optimisation. - Nikolaos Koukoulekidis; Hyukjoon Kwon; Hyejung H. Jee; David Jennings; M. S. Kim 001 (Quantum, 2022)

Small Quantum Codes from Algebraic Extensions of Generalized Bicycle Codes. - Nikolaos Koukoulekidis; Fedor Simkovic IV; Martin Leib; Francisco Revson Fernandes Pereira (CoRR, 2024)