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SUMMARY:Michael Brannan (University of Waterloo\, Canada)
DTSTART:20230425T140000Z
DTEND:20230425T150000Z
DTSTAMP:20260422T180102Z
UID:QGS/92
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QGS/92/">No-
 signalling bicorrelations and generalized quantum automorphisms of graphs<
 /a>\nby Michael Brannan (University of Waterloo\, Canada) as part of Quant
 um Groups Seminar [QGS]\n\n\nAbstract\nI'll report on some recent joint wo
 rk with Sam Harris\,\nLyudmila Turowska and Ivan Todorov (arXiv:2302.04268
 )\, where we\nintroduce an analogue of bisynchronous correlations in the c
 ontext of\nquantum input-quantum output non-local games.  One of the main\
 nmotivations of this work was to find a non-local game interpretation of\n
 the quantum automorphisms and isomorphisms of quantum graphs that have\nap
 peared recently in the literature.  I'll explain how these\nconsiderations
  are related to tracial representations of quantum\nautomorphism groups of
  matrix algebras\, and in the case of ordinary\ngraphs\, lead us to a soft
 er (and possibly more general) notion of\nquantum symmetry for graphs.\n
LOCATION:https://researchseminars.org/talk/QGS/92/
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