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A Time-Efficient Quantum Walk for 3-Distinctness Using Nested Updates
[article]
2013
arXiv
pre-print
We present an extension to the quantum walk search framework that facilitates quantum walks with nested updates. We apply it to give a quantum walk algorithm for 3-Distinctness with query complexity O(n^5/7), matching the best known upper bound (obtained via learning graphs) up to log factors. Furthermore, our algorithm has time complexity O(n^5/7), improving the previous O(n^3/4).
arXiv:1302.7316v1
fatcat:zwdjdurqknbldo5ykyrfirncyi