Mohamed Haj Yousef (2026). Completion principles, real commutants, and positive-frequency geometry for orthogonal Hilbert representations. Open Journal of Mathematical Sciences, 10, 996–1012. https://doi.org/10.30538/oms2026.0328

Mohamed Haj Yousef (2026). Real-commutant phase selection from real Hilbert representations. Physics Letters A, 594, Article 132085. https://doi.org/10.1016/j.physleta.2026.132085

Mohamed Haj Yousef (2026). Dual-Time Topological Geometry and the Emergence of Temporal Asymmetry in Non-Equilibrium Dynamics. Mathematics, 14(5), Article 853. https://doi.org/10.3390/math14050853