Reducing the Expected Runtime of Grover Search

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• Johannes Bausch, Google
• Thursday 03 February 2022, 14:15-15:15
• Zoom.

If you have a question about this talk, please contact Damian Pitalua-Garcia.

We reduce the expected number of oracle calls for Grover search by approximately 18%, improving upon the well-known early stopping technique. The results are derived by employing adaptive quantum computation and weak measurements, and only require a negligible overhead in the number of measurements performed. We derive a lower bound for the expected number of oracle calls in this adaptive setting, and show that our procedure saturates the bound.

This talk is part of the CQIF Seminar series.

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