On 31.05.2007 at 12:20 in S5, there is the following noon lecture:
Classical Interaction Cannot Replace a Quantum Message
We give a communication problem between two players, Alice and Bob, that can be solved by Alice sending a quantum message to Bob, for which any classical *interactive* protocol requires exponentially more communication.
The transparencies (and the paper) can be found here: http://www.iqc.ca/~dgavinsky/talks/index.html (the newest item).
N.B.: No prior knowledge of quantum computing is required!
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