2 papers
cs.IT2026
Sub-optimality of Marton's Inner Bound for the Two-Receiver Broadcast Channel
Mian Huang, Yanxiao Liu, Yi Liu
Marton's inner bound, the best-known achievable region for a general discrete memoryless broadcast channel, was proposed by Katalin Marton in 1979, and whether it always achieves t…
cs.IT2026
Counterexamples to the Markovity Conjecture for the Two-Receiver Broadcast Channel
Yanxiao Liu, Mian Huang
We present two counterexamples to the \emph{Markovity Conjecture} of Gohari, Liu and Nair (ISIT 2025), which is a structural conjecture concerning the optimizers of the dual functi…