Quantum information theory

A Separation between Full-Rank PVM and Assumption-free Self-Testing
We construct a nonlocal game that self-tests a maximally entangled qubit strategy among pure full-Schmidt-rank projective strategies, …
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A Separation between Full-Rank PVM and Assumption-free Self-Testing
Causal-Class Hierarchies in Coherence-Constrained Channel Transformation
Higher-order quantum transformations allow multiple channel uses to be combined through different causal architectures, from parallel …
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Causal-Class Hierarchies in Coherence-Constrained Channel Transformation
Exact Virtual Channel Programming with Vanishing Excess Overhead
A finite-dimensional physical processor cannot exactly program a continuous family of distinct unitary channels. We show that this …
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Exact Virtual Channel Programming with Vanishing Excess Overhead
Analytic Qubit Separation between POVMs and Projective Measurements
Generalized measurements can be implemented projectively after enlarging the Hilbert space, but this dilation changes the available …
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Analytic Qubit Separation between POVMs and Projective Measurements
Programmable Open Quantum Systems
Programmability is a unifying paradigm for enacting families of quantum transformations via fixed processors and program states, with a …
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Programmable Open Quantum Systems
Lean-QIT: Towards a Formal Infrastructure for Quantum Information Theory
Quantum information theory (QIT) characterizes the capabilities and fundamental limits of quantum information processing, underpinning …
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Lean-QIT: Towards a Formal Infrastructure for Quantum Information Theory
Virtual Quantum Markov Chains
Quantum Markov chains generalize classical Markov chains for random variables to the quantum realm and exhibit unique inherent …
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Virtual Quantum Markov Chains
Hypothesis testing of symmetry in quantum dynamics
Symmetry plays a crucial role in quantum physics, dictating the behavior and dynamics of physical systems. In this paper, We develop a …
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Hypothesis testing of symmetry in quantum dynamics
Reversible Entanglement Beyond Quantum Operations
We introduce a reversible theory of exact entanglement manipulation by establishing a necessary and sufficient condition for state …
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Reversible Entanglement Beyond Quantum Operations
Optimal unilocal virtual quantum broadcasting
Quantum broadcasting is central to quantum information processing and characterizes the correlations within quantum states. …
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Optimal unilocal virtual quantum broadcasting