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Journey through no-cloning theorem, quantum tomography, and neural-net circuits

Updated: Dec 4, 2025

In this post we will look at three very important things: a theorem that represents a pillar of quantum computing — namely, the impossibility of cloning the states of a qubit; quantum tomography, which allows us to reconstruct the quantum state before the collapse of the wave function; and an application that uses a quantum circuit as a small neural network to approximate a qubit cloner.

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