Jan. 16th, 2021

Suppose there is a quantum function that can be represented as a unitary matrix Uy whose action is Uy|ψ⟩=(-1)y|ψ⟩.

Given a conditional Uy, determine y using a network with at most two Hadamard gates.


Matrix solution: ... )
What I find very interesting is... )
It seems the quantum circuits are not composable. How does one scale the process of designing new solutions to new problems?

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