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SUMMARY:Quantum Contextuality: At The Borders of Paradox - Professor Samso
 n Abramsky
DTSTART:20151125T210000Z
DTEND:20151125T220000Z
UID:TALK61587@talks.cam.ac.uk
CONTACT:Jamie Fox
DESCRIPTION:Contextuality is a key feature of quantum mechanics that provi
 des an important new resource for quantum information and computation. \nC
 ontextuality can be understood as arising where we have a family of data w
 hich is locally consistent\, but globally inconsistent. From this point of
  view\, it can be seen as a pervasive phenomenon\, arising not only in qua
 ntum mechanics\, but in many more familiar areas\, including databases. In
  general\, the data held about us in large databases is not globally consi
 stent! There are also remarkably direct connections to logical paradoxes. 
 One can say that contextual phenomena\, which we must accept as key featur
 es of our picture of physical reality\, lie at the very borders of paradox
 \, but do not cross those borders. Professor Samson Abramsky shall give an
  introduction to these ideas\, and show how they can be understood in stri
 king visual terms - the topology of contextuality.
LOCATION:Nihon Room\, Pembroke College
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