Quantum complexity theory: Difference between revisions

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Quantum Query Complexity is the smallest number of queries to the oracle that are required in order to calculate the function. Clearly, Quantum Query Complexity is a lower bound on the overall time complexity of a function.
 
An example depicting the power of Quantum Computing is [[Grover's algorithm]] for searching unstructured databases. Its Quantum Query Complexity is ''O''(''N''<sup>1/2</sup>) which is quadratically better than the best knownpossible classical query complexity.
 
==External links==