A Vector Generalization of Costa's Entropy-Power Inequality with Applications

Ruoheng Liu Tie Liu H. Vincent Poor Shlomo Shamai A Vector Generalization of Costa's Entropy-Power Inequality with Applications http://arxiv.org/abs/0903.3024 2009 CoRR abs/0903.3024 db/journals/corr/corr0903.html#abs-0903-3024 informal publication