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Trained quantum neural networks are Gaussian processes
Feb. 15, 2024, 5:42 a.m. | Filippo Girardi, Giacomo De Palma
cs.LG updates on arXiv.org arxiv.org
Abstract: We study quantum neural networks made by parametric one-qubit gates and fixed two-qubit gates in the limit of infinite width, where the generated function is the expectation value of the sum of single-qubit observables over all the qubits. First, we prove that the probability distribution of the function generated by the untrained network with randomly initialized parameters converges in distribution to a Gaussian process whenever each measured qubit is correlated only with few other measured …
abstract arxiv cs.lg distribution function gates gaussian processes generated math.mp math-ph math.pr networks neural networks parametric probability processes prove quant-ph quantum quantum neural networks qubit qubits study type value
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