Gillat Kol, Shay Moran, Amir Shpilka, Amir Yehudayoff. Direct sum fails for zero error average communication. In Moni Naor, editor, Innovations in Theoretical Computer Science, ITCS'14, Princeton, NJ, USA, January 12-14, 2014. pages 517-522, ACM, 2014. [doi]
Abstract is missing.