Study Establishes Optimal Query Complexity for Learning Unknown Quantum Channels
Researchers have established the exact query complexity required to learn unknown quantum processes in diamond distance, matching theoretical upper and ...
Tag: semidefinite programming
Quantum Hackers Fall Short: Explicit Attacks Reveal Gaps in QKD Security
Researchers modeled minimum error discrimination and cloning attacks on differential phase shift quantum key distribution, finding both fall well short ...
Aharon Ben-Tal Wins 2026 INFORMS Theory Prize for Robust Optimization
INFORMS named Technion professor Aharon Ben-Tal the 2026 John von Neumann Theory Prize recipient for a five-decade body of work ...
Physicists Unveil Universal Speed Limits on How Fast Quantum Systems Decay
A team of physicists has derived rigorous universal bounds and exact scaling laws for the maximal decay rate of large ...
Hidden Geometry of Quantum States Yields New Shortcuts for Optimal State Discrimination
Researchers in Seoul have shown that pairwise fidelities and vanishing measurement operators carry decisive structural information that can simplify and ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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