Skip to content

Concavity of the auxiliary function appearing in quantum reliability function an classical-quantum channels

Jun Ichi Fujii, Ritsuo Nakamoto, Kenjiro Yanagi

cs.ITarXiv:cs/0501057

Abstract

Concavity of the auxiliary function which appears in the random coding exponent as the lower bound of the quantum reliability function for general quantum states is proven for s between 0 and 1.

Create a lesson