Quantum algorithms

Detecting and quantifying entanglement on near-term quantum devices
Quantum entanglement is a key resource in quantum technology, and its quantification is a vital task in the current Noisy …
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Variational quantum algorithms for trace distance and fidelity estimation
Estimating the difference between quantum data is crucial in quantum computing. However, as typical characterizations of quantum data …
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Variational Quantum Singular Value Decomposition
Singular value decomposition is central to many problems in engineering and scientific fields. Several quantum algorithms have been …
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Measurement Error Mitigation via Truncated Neumann Series
Measurements on near-term quantum processors are inevitably subject to hardware imperfections that lead to readout errors. Mitigation …
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Quantum algorithms for hedging and the learning of Ising models
A paradigmatic algorithm for online learning is the Hedge algorithm by Freund and Schapire. An allocation into different strategies is …
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Time-dependent Hamiltonian simulation with L1-norm scaling
The difficulty of simulating quantum dynamics depends on the norm of the Hamiltonian. When the Hamiltonian varies with time, the …
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