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We recast the three foundational quantum information protocols — quantum teleportation, superdense coding, and the CHSH Bell test — in the language of the Origami Instruction Set Architecture (ISA), and then lift each to its TriQ (3 qubit GHZ) and 6 731 (broken Fano line) extensions. In the ISA reading, teleportation is SPLIT;SPLAT with a classical wire, superdense coding is FLIP;FLOP on a Bell pair encoding $\log...

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Quantum TechnologyarXiv2026-07-09Preprint (43)

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Hockey stick $f$-divergences

Fumio Hiai, Milán Mosonyi, Marco Tomamichel

In this paper we give a systematic and unified treatment and extensions of various results on a new notion of quantum $f$ divergences defined from quantum hockey stick divergences, the theory of which has been developed recently in \cite{BHT fdiv,HircheTomamichel integral,LiuHircheCheng2025}. In particular, we consider non normalized states and hockey stick $f$ divergences defined from more general notions of quan...

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Quantum Information Protocols Through the ISA Lens: Teleportation, Superdense Coding, and Bell Tests from H¹ to H³

Hockey stick $f$-divergences

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