Proves quantum soundness of total-degree line-vs-point tests, establishing consistency guarantees for entangled quantum provers. Key advance for secure quantum computing and cryptographic verification protocols.

#QuantumTesting #QuantumCryptography #Research

28% of Qiskit transpiler bugs evade traditional output checks by corrupting metadata, global phase, or reproducibility. New fault-matched oracles achieve 100% sensitivity/specificity with orders of magnitude lower computational overhead.

#QuantumSoftware #QuantumTesting #Research

Proves parallel, adaptive, and indefinite causal order strategies achieve identical Stein exponent rates for quantum channel discrimination. Indefinite causal order provides no asymptotic advantage for testing quantum channels.

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OrangeQS presents MAX and FLEX quantum testing equipment at IEEE Quantum Week and unitaryCON26 in Toronto, strengthening collaboration between industry and open-source quantum developers.

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Surprise finding: PPT measurements preserve optimal quantum state testing bounds. Novel proof using symmetric subspace identities shows single-copy adaptive protocols match tight multi-copy sample complexity limits.

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Achieves near-optimal bounds for quantum mixedness testing using single-qubit Pauli measurements with Õ(√10N/ε²) sample complexity, introducing novel correlation-concentrated uniformity testing via Krawtchouk polynomials and tight lower bounds.

#QuantumTesting #PauliMeasurements #Research

Proves any quantum tester for low-degree phase states requires Ω(⌊m/2⌋/⌊(d-1)/2⌋) copies—exponentially more than classical low-degree polynomial testing—establishing a fundamental separation between quantum and classical property testing models.

#QuantumTesting #QuantumComplexity #Research

Framework for resource-efficient quantum parameter testing with prescribed tolerance. Twin-peaks test achieves same sample cost as collective measurements for phase; significant savings over fixed-sample protocols for purity estimation.

#QuantumMetrology #QuantumTesting #Research

Rigorous finite-copy bounds for quantum resource testing established, resolving fundamental open problems and providing practical sample complexity estimates for detecting quantum entanglement and magic with explicit guarantees.

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Introduces Qolumbina, a benchmark of 40 scalable quantum programs that bridges the gap from circuit-level testing to practical program-level quantum software testing, enabling systematic evaluation of QST approaches.

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Gravitational interactions between mechanical oscillators can implement quantum teleportation, providing a framework for tabletop experiments to distinguish quantum from classical gravity without requiring a complete quantum gravity theory.

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QUTest eliminates the language gap in quantum testing by enabling developers to write both quantum programs and tests natively in OpenQASM 3 with pragma-based assertions, eliminating the need for separate Python harnesses.

#QuantumSoftware #QuantumTesting #Research

Bayesian sequential verification reduces quantum measurement costs by up to 87% using adaptive batch-based hypothesis testing. Demonstrates practical budget-aware testing for Bell states and QAOA optimization.

#QuantumSoftware #QuantumTesting #Research

Researchers developed seven targeted mutation operations for testing quantum neural networks, reducing redundant test circuits by 9.5x while detecting faults missed by conventional methods.

#QuantumTesting #MachineLearning #Research

Kyushu University introduces QuanForge, achieving 32.7% improvement in identifying vulnerable circuit regions of Quantum Neural Networks through statistical mutation killing and systematic fault analysis.

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New protocol for quantum state certification achieves near-optimal copy complexity using only limited entanglement (d² copies), avoiding fully entangled measurements while maintaining efficiency for device calibration and characterization.

#QuantumTesting #QuantumCertification #Research