2 papers
cs.CV2026
Temporal Modeling of Optically Variable Devices in Identity Documents
Glen Pouliquen, Joseph Chazalon, Guillaume Chiron +3
Robust remote verification of identity documents relies on analyzing faint, transparent security features like Optically Variable Devices (OVDs), or "holograms", within user-captur…
quant-ph2026
Extending the Bloch sphere model to an N-qubit system
Francisco Piñero, Cristian Franco, Hernán I. de la Cruz +5
The Bloch sphere is an elegant tool for representing single-qubit states. However, a widely accepted generalization for multi-qubit systems with entanglement remains absent. We pro…