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Two measures of sensitivity to eavesdropping for alphabets of quantum states were recently introduced by Fuchs and Sasaki in quant-ph/0302092. These are the accessible fidelity and quantumness. In this paper we prove an important property of both measures: They are multiplicative under tensor products. The proof in the case of accessible fidelity shows a(More)
To establish a more flexible relationship between the original equipment manufacturer (OEM) and suppliers, the use of flexible contracts in embedded system design has been proposed and it has been shown that such contracts allow a division of risk which often leads to a mitigation of inefficiencies. But from the perspective of the OEM, such flexible(More)
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