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quant-ph2026
Bell nonlocality does not imply violation of nonlocal games
Ricardo Faleiro, Lucas E. A. Porto, Marco Túlio Quintino +1
Nonlocal games offer a conceptually clear way to reason about Bell nonlocality. However, we show that as originally defined, and most commonly used, i.e. with a deterministic predi…
quant-ph2026
Purification enables an unbounded query separation in sequential quantum channel discrimination
Zoe G. del Toro, Marco Túlio Quintino, Jessica Bavaresco
Purifications are often used as a convenient mathematical representation of quantum states and channels when constructing protocols for quantum information processing tasks. Althou…