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UID:5223ce2a-25d5-4cc7-ac9c-c4f46fd9d040
X-WR-CALNAME:[gt-iq] Marc-Olivier Renou
X-WR-TIMEZONE:Europe/Paris
BEGIN:VTIMEZONE
TZID:Europe/Paris
TZUNTIL:20241027T010000Z
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TZNAME:CET
DTSTART:20221030T030000
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
RDATE:20231029T030000
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DTSTART:20230326T020000
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
RDATE:20240331T020000
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UID:5223ce2a-25d5-4cc7-ac9c-c4f46fd9d040
DTSTAMP:20260428T210139Z
CLASS:PUBLIC
DESCRIPTION:Any Physical Theory of Nature Must Be Boundlessly Multipartite 
 Nonlocal\n\n[Note: no quantum background is needed to attend this talk]\n
 \nQuantum correlations are obtained when multiple parties perform independ
 ent measurements on a shared quantum state.\nI will fist do a pedestrian i
 ntroduction to Bell’s seminal theorem (acknowledge by the last Physics Nob
 el price)\, which proves that some quantum correlations cannot be explain 
 by any ‘Local Hidden Variable theory’: one cannot understand quantum corre
 lations based on shared randomness.\nBut what about alternative explanatio
 ns for quantum correlations? For instance\, what happens if we try to expl
 ain quantum theory with shared randomness and ‘exotic bipartite resources’
  (generalising quantum bipartite entanglement)?\nWith Xavier Coiteux-Roy a
 nd Elie Wolfe\, we found that no such exotic theory can account for all qu
 antum correlations as long as it satisfies ‘causality’\, thus generalizing
  Bell's theorem.\nIn this talk\, I will explain that result\, which certif
 ies the fact that ‘No Bipartite-Nonlocal Causal Theory Can Explain Nature'
 s Quantum Correlations’.\nI will also discuss the connections of this prob
 lem with distributed computing (e.g.\, arXiv:2212.02768): our proof is bas
 ed on the inflation technic in which we assume the replicability of resour
 ces\, showing that a concept commonly used in distributed computing is als
 o of great interest in theoretical physics.\n\nBased on arXiv:2105.09381\,
  arXiv:2105.09380\, arXiv:2201.12754\n\n\nhttps://combalgo.labri.fr/pmwiki
 .php/Groupe/Info-Quantique
DTSTART;TZID=Europe/Paris:20230411T150000
DTEND;TZID=Europe/Paris:20230411T160000
LOCATION:LaBRI
SEQUENCE:0
SUMMARY:[gt-iq] Marc-Olivier Renou
TRANSP:OPAQUE
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