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quant-ph2016
Exceptional Quantum Walk Search on the Cycle
Thomas G. Wong, Raqueline A. M. Santos
Quantum walks are standard tools for searching graphs for marked vertices, and they often yield quadratic speedups over a classical random walk's hitting time. In some exceptional…
quant-ph2016
Szegedy's quantum walk with queries
Raqueline A. M. Santos
When searching for a marked vertex in a graph, Szegedy's usual search operator is defined by using the transition probability matrix of the random walk with absorbing barriers at t…