%0 Journal Article
%T Quantum information theory: The bits don't add up
%A Shor, Peter W.
%J Nature Physics
%D 2009
%V 5
%F Shor2009
%O exported from refbase (https://db.rplab.ru/refbase/show.php?record=800), last updated on Wed, 09 May 2012 11:45:26 -0500
%X A counterexample to the 'additivity question', the most celebrated open problem in the mathematical theory of quantum information, casts doubt on the possibility of finding a simple expression for the information capacity of a quantum channel.
%K fromIPMRAS
%P 247-248