• DocumentCode
    3450338
  • Title

    A better lower bound for quantum algorithms searching an ordered list

  • Author

    Ambainis, Andris

  • Author_Institution
    Dept. of Comput. Sci., California Univ., Berkeley, CA, USA
  • fYear
    1999
  • fDate
    1999
  • Firstpage
    352
  • Lastpage
    357
  • Abstract
    We show that any quantum algorithm searching an ordered list of n elements needs to examine at least (log,n)/12-O(1) of them. Classically, log2 n queries are both necessary and sufficient. This shows that quantum algorithms can achieve only a constant speedup for this problem
  • Keywords
    computational complexity; quantum computing; search problems; constant speedup; lower bound; ordered list searching; quantum algorithms; queries; searching; Algorithms; Computer science; National electric code; Postal services; Quantum computing; Search problems;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Foundations of Computer Science, 1999. 40th Annual Symposium on
  • Conference_Location
    New York City, NY
  • ISSN
    0272-5428
  • Print_ISBN
    0-7695-0409-4
  • Type

    conf

  • DOI
    10.1109/SFFCS.1999.814606
  • Filename
    814606