首页|Factoring discrete-time quantum walks on distance regular graphs into continuous-time quantum walks
Factoring discrete-time quantum walks on distance regular graphs into continuous-time quantum walks
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NSTL
Elsevier
We consider a discrete-time quantum walk, called the Grover walk, on a distance regular graph X. Given that X has diameter d and invertible adjacency matrix, we show that the square of the transition matrix of the Grover walk on X is a product of at most d commuting transition matrices of continuous-time quantum walks, each on some distance digraph of the line digraph of X. We also obtain a similar factorization for any graph X in a Bose Mesner algebra. (c) 2022 Elsevier Inc. All rights reserved.
Discrete-time quantum walksContinuous-time quantum walksDistance regular graphsLine digraphsOriented graphsAssociation schemesPERFECT STATE TRANSFER
NSTL
Elsevier
