Classical Interaction Cannot Replace a Quantum Message

We demonstrate a two-player communication problem that can be solved in the oneway quantum model by a 0-error protocol of cost O (log n) but requires exponentially more communication in the classical interactive (bounded error) model.

• Type: Journal
• Year: 2007
• Where: CORR
• Authors: Dmitry Gavinsky
• Keywords: 0-error Protocol, Communication, CORR 2007, Education, Two-player Communication Problem