Continuity of quantum conditional information
arXiv:quant-ph/0312081 · doi:10.1088/0305-4470/37/5/L01
Abstract
We prove continuity of quantum conditional information $S(Ï^{12}| Ï^2)$ with respect to the uniform convergence of states and obtain a bound which is independent of the dimension of the second party. This can, e.g., be used to prove the continuity of squashed entanglement.
4 pages, 1 figure, minor changes in the title and the text