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Bayes estimator for multinomial parameters and Bhattacharyya distances
Christopher Ferrie, Robin Blume-Kohout
We derive the Bayes estimator for the parameters of a multinomial distribution under two loss functions ( and ) that are based on the Bhattacharyya coefficient $B(\vec{…
Behavior of the maximum likelihood in quantum state tomography
Travis L Scholten, Robin Blume-Kohout
Quantum state tomography on a d-dimensional system demands resources that grow rapidly with d. They may be reduced by using model selection to tailor the number of parameters in th…
Optimization of a solid-state electron spin qubit using Gate Set Tomography
Juan P. Dehollain, Juha T. Muhonen, Robin Blume-Kohout +8
State of the art qubit systems are reaching the gate fidelities required for scalable quantum computation architectures. Further improvements in the fidelity of quantum gates deman…
Demonstration of qubit operations below a rigorous fault tolerance threshold with gate set tomography
Robin Blume-Kohout, John King Gamble, Erik Nielsen +4
Quantum information processors promise fast algorithms for problems inaccessible to classical computers. But since qubits are noisy and error-prone, they will depend on fault-toler…