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math.CA2003
New trace norm inequalities for 2 x 2 blocks of diagonal matrices
Christopher King, Michael Nathanson
Several new trace norm inequalities are established for 2n x 2n block matrices, in the special case where the four n x n blocks are diagonal. Some of the inequalities are non-commu…
quant-ph2003
Multiplicativity of Accessible Fidelity and Quantumness for Sets of Quantum States
K. M. R. Audenaert, C. A. Fuchs, C. King +1
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…