Remarks on concavity of the auxiliary function appearing in quantum reliability functionKenjiro Yanagi, Shigeru Furuichi, 憲 栗山Published Jan 1, 2003• 0 citationsOpenAlexAbstract2003 IEEE International Symposium on Information Theory, Pacifico Yokohama, Yokohama, Japan, June 29 - July 4, 2003 / sponsored by the IEEE Information Theory Society.