Causal orders, quantum circuits and spacetime: distinguishing between definite and superposed causal orders. - Nikola Paunkovic; Marko Vojinovic (Quantum, 2020)

Hamiltonian Analysis for the Scalar Electrodynamics as 3BF Theory. - Tijana Radenkovic; Marko Vojinovic (Symmetry, 2020)

Operational interpretation of the vacuum and process matrices for identical particles. - Ricardo Faleiro; Nikola Paunkovic; Marko Vojinovic (Quantum, 2023)

Operational verification of the existence of a spacetime manifold. - Nikola Paunkovic; Marko Vojinovic (Quantum, 2025)