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Proceedings Paper

The additivity problem and constrained quantum channels
Author(s): A. S. Holevo
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Paper 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).

Paper Details

Date Published: 1 June 2005
PDF: 6 pages
Proc. SPIE 5833, Quantum Informatics 2004, (1 June 2005); doi: 10.1117/12.620489
Show Author Affiliations
A. S. Holevo, Steklov Mathematical Institute (Russia)

Published in SPIE Proceedings Vol. 5833:
Quantum Informatics 2004
Yuri I. Ozhigov, Editor(s)

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