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arXiv · 2309.17229

Asymmetric cloning in quantum information theory

Denis Rochette
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Abstract

This thesis investigates quantum cloning and related quantum entanglement problems using core concepts of representation theory, in particular those associated with the symmetric group. The research explores Schur-Weyl duality and its extensions, which allow efficient representation and manipulation of quantum systems, serving as a valuable tool for quantum information theory. A primary application of Schur-Weyl duality is the quantum cloning problem, which is studied for both the $1 \to 2$ and the more general $1 \to N$ cases, providing new insights into the constraints imposed by the no-cloning theorem. The investigation extends to a more general quantum entanglement problem on a complete graph.

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Denis Rochette. 2023-09-29. Asymmetric cloning in quantum information theory. https://arxiv.org/abs/2309.17229

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