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- W4297757081 abstract "This paper initiates the study of quantum algorithms for matroid property problems. It is shown that quadratic quantum speedup is possible for the calculation problem of finding the girth or the number of circuits (bases, flats, hyperplanes) of a matroid, and for the decision problem of deciding whether a matroid is uniform or Eulerian, by giving a uniform lower bound $Omega(sqrt{binom{n}{lfloor n/2rfloor}})$ on the query complexity for all these problems. On the other hand, for the uniform matroid decision problem, an asymptotically optimal quantum algorithm is proposed which achieves the lower bound, and for the girth problem, an almost optimal quantum algorithm is given with query complexity $O(log nsqrt{binom{n}{lfloor n/2rfloor}})$. In addition, for the paving matroid decision problem, a lower bound $Omega(sqrt{binom{n}{lfloor n/2rfloor}/n})$ on the query complexity is obtained, and an $O(sqrt{binom{n}{lfloor n/2rfloor}})$ quantum algorithm is presented." @default.
- W4297757081 created "2022-10-01" @default.
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- W4297757081 date "2021-11-24" @default.
- W4297757081 modified "2023-09-30" @default.
- W4297757081 title "Quantum Speedup and Limitations on Matroid Property Problems" @default.
- W4297757081 doi "https://doi.org/10.48550/arxiv.2111.12900" @default.
- W4297757081 hasPublicationYear "2021" @default.
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