Event Details
Speaker Name
Laura ManĨinska
Speaker Institution
University of Copenhagen
Start Date & Time
2021-04-26 10:00 am
End Date & Time
2021-04-26 10:00 am
Semester
Event Details

In many natural situations where the input consists of n quantum systems, each associated with a state space C^d, we are interested in problems that are symmetric under the permutation of the n systems as well as the application of the same unitary U to all n systems. Under these circumstances, the optimal algorithm often involves a basis transformation, known as (quantum) Schur transform, which simultaneously block-diagonalizes the said actions of the permutation and the unitary groups.  I will illustrate how Schur-Weyl duality can be used to identify optimal quantum algorithm for quantum majority vote and, more generally, compute symmetric Boolean functions on quantum data.

This is based on joint work "Quantum majority and other Boolean functions with quantum inputs" with H. Buhrman, N. Linden, A. Montanaro, and M. Ozols.

Topic: IQC-QuICS Math and Computer Science Seminar

Time: Apr 26, 2021 10:00 AM Eastern Time (US and Canada)

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