The set equality problem is to tell whether two sets A and B are equal or disjoint under the promise that one of these is the case. This problem is related to the Graph Isomorphism problem. It was an open problem to find any ω(1) query lower bound when sets A and B are given by quantum oracles. We will show that any error-bounded quantum query algorithm that solves the set equality problem must evaluate oracles Ω (5√n/ln n) times, where n = |A| = |B|. © Springer-Verlag Berlin Heidelberg 2004.
CITATION STYLE
Midrijanis, G. (2004). A polynomial quantum query lower bound for the set equality problem. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 3142, 996–1005. https://doi.org/10.1007/978-3-540-27836-8_83
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