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SUMMARY:Communication in the presence of adversarial jamming: The curious 
 case of the erasure channel - Dr Sidharth Jaggi\, University of Bristol
DTSTART:20221109T140000Z
DTEND:20221109T150000Z
UID:TALK177782@talks.cam.ac.uk
CONTACT:Prof. Ramji Venkataramanan
DESCRIPTION:Alice wishes to communicate with Bob\, but the malicious jamme
 r James wishes to stop this communication from occurring. What can she do?
  In this talk I'll explore recent discoveries/capacity-characterizations i
 n a variety of settings (the role of causality in James' jamming\, the rol
 e of myopicity in his observations\, the interplay between these two\, and
  the effect of rate-limited feedback). I'll focus on one of the simplest n
 on-trivial jamming channels -- the case of a binary input channel\, in whi
 ch James may erase a constant fraction of transmissions -- even here\, int
 eresting phenomena occur. Time permitting\, I may also briefly describe ge
 neralizations to other jamming channels/scenarios.
LOCATION:MR5\, CMS Pavilion A
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