Quantum lower bounds by polynomials.

We examine the number of queries to input variables that a quantum algorithm requires to compute Boolean functions on {0,1}N in the black-box model. We show that the exponential quantum speed-up obtained for partial functions (i.e., problems involving a promise on the input) by Deutsch and Jozsa, Si...

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Xuất bản năm:	Journal of the ACM 48, 4 (2001).
Tác giả chính:	Beals, Robert
Định dạng:	Bài viết
Ngôn ngữ:	English
Những chủ đề:	Theory of computation. Computation by abstract devices. Models of computation. Analysis of algorithms and problem complexity. Algorithms. Performance. Theory.