|| Concavity of output relative entropy for channels with binary inputs
||Qinghua (Devon) Ding, Dept. of Computer Science and Engg., Hong Kong SAR of China; Chin Wa Lau, Chandra Nair, Yan Nan Wang, Dept. of Information Engg., Hong Kong SAR of China|
||D6-S5-T1: Information Inequalities II
||Monday, 19 July, 23:20 - 23:40
||Monday, 19 July, 23:40 - 00:00
We generalize a convexity result due to Wyner and Ziv to channels with binary inputs and arbitrary outputs. This results in a convex reformulation of some non-convex optimization problems that arise naturally in multi-user information theory.