A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2005; you can also visit the original URL.
The file type is
IEEE International Symposium on Information Theory, 2003. Proceedings.
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 proved for 0 ≤ s ≤ 1 in two dimensional case.doi:10.1109/isit.2003.1228473 fatcat:2dve4mrdszdx3k6vbmb4xua7oa