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cs.IT2025
Properties of Random Code Ensembles over Classical-Quantum Channels
Giuseppe Cocco, Javier Rodríguez Fonollosa
We show two properties of i.i.d. code ensembles over classical-quantum (CQ) channels with arbitrary output states. The first property is that the probability distribution of the er…
quant-ph2025
Bounds in Sequential Unambiguous Discrimination of Multiple Pure Quantum States
Jordi Pérez-Guijarro, Alba Pagès-Zamora, Javier R. Fonollosa
Sequential methods for quantum hypothesis testing offer significant advantages over fixed-length approaches, which rely on a predefined number of state copies. Despite their potent…