The additivity problem and constrained quantum channels

A. S. Holevo

doi:10.1117/12.620489

1 June 2005 The additivity problem and constrained quantum channels

A. S. Holevo

Proceedings Volume 5833, Quantum Informatics 2004; (2005) https://doi.org/10.1117/12.620489
Event: 18th International Conference on Photoelectronics and Night Vision Devices and Quantum Informatics 2004, 2004, Moscow, Russian Federation

Abstract

We give formulations of the famous additivity conjecture for several important quantities characterizing quantum channel and prove their global equivalence to the additivity of the classical capacity of a channel under input constrains (like mean energy constrain).

Citation Download Citation

A. S. Holevo "The additivity problem and constrained quantum channels", Proc. SPIE 5833, Quantum Informatics 2004, (1 June 2005); https://doi.org/10.1117/12.620489

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