Conceptquantum state online learning
Online Learning of Quantum States
A research direction at the intersection of quantum information and online learning, studying sequential decision problems in which a learner selects a quantum state each round, observes measurement outcomes and incurs losses. It is a quantum generalization of classical online portfolio selection and is closely related to quantum state tomography.
Timeline (last 90 days)
Oct 16
The paper establishes for the first time a regret lower bound for online learning of quantum states under the logarithmic loss.
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