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Continuity bounds for entanglement

M. A. Nielsen

quant-pharXiv:quant-ph/9908086

Abstract

This note quantifies the continuity properties of entanglement: how much does entanglement vary if we change the entangled quantum state just a little? This question is studied for the pure state entanglement of a bipartite system and for the entanglement of formation of a bipartite system in a mixed state.

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