Maximal p-norms of entanglement breaking channels
Quantum Information & Computation
Notes on super-operator norms induced by schatten norms
Quantum Information & Computation
Minimal entropy of states emerging from noisy quantum channels
IEEE Transactions on Information Theory
The capacity of the quantum depolarizing channel
IEEE Transactions on Information Theory
Note on Multiple Additivity of Minimal Renyi Entropy Output of the Werner-Holevo Channels
Open Systems & Information Dynamics
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We consider the maximal p-norm associated with a completely positivemap and the question of its multiplicativity under tensor products. Wegive a condition under which this multiplicativity holds when p = 2, andwe describe some maps which satisfy our condition. This class includesmaps for which multiplicativity is known to fail for large p.Our work raises some questions of independent interest in matrix theory; these are discussed in two appendices.