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SUMMARY:Classical and quantum zero error communication - Satvik Singh\, Un
 iversity of Cambridge
DTSTART:20231101T140000Z
DTEND:20231101T150000Z
UID:TALK207661@talks.cam.ac.uk
CONTACT:Dr Varun Jog
DESCRIPTION:In the first half of the talk\, I will describe the task of ze
 ro error communication via a discrete and memoryless classical channel. Th
 is will naturally lead us to the notion of zero error capacity of a classi
 cal channel\, or equivalently\, the Shannon capacity of the associated con
 fusability graph. I will also discuss the Lovász theta function\, which s
 erves as a general upper bound on these quantities. In the second half of 
 the talk\, I will discuss possible generalizations of the task of zero err
 or communication in a quantum setting. The key ingredient here will be a n
 on-commutative generalization of the confusability graph. Finally\, I will
  discuss a quantum version of the Lovász theta function\, and discuss som
 e of its implications to both the classical and quantum zero error communi
 cation task. No prior background in quantum mechanics will be assumed.\n
LOCATION:MR5\, CMS Pavilion A
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