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DTSTART:20230312T070000
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DTSTART:20221106T060000
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DTSTART;TZID=America/Toronto:20231102T163000
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TRANSP:TRANSPARENT
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URL:https://uwaterloo.ca/pure-mathematics/events/analysis-seminar-174
SUMMARY:Analysis Seminar
CLASS:PUBLIC
DESCRIPTION:CHRIS SCHAFHAUSER\, UNIVERSITY OF NEBRASKA-LINCOLN\n\n\"FINITE 
 DIMENSIONAL APPROXIMATIONS OF GROUPS\"\n\nBlackadar and Kirchberg introduc
 ed the class of matricial field\nC*-algebras\, which are those which appro
 ximately embed into finite\ndimensional matrix algebras.  Specializing th
 is property to group\nC*-algebras\, one defies a group to be MF if it admi
 ts approximate\nfinite dimensional representations which are approximately
  faithful\nand and approximately weakly contained in the left regular\nrep
 resentation.  I will give a survey of known examples and\nproperties of M
 F groups\, including a recent result showing that free\nproducts of amenab
 le groups amalgamated over a common normal subgroup\nare MF.\n\nThis semin
 ar will be held both online and in person:\n\n* Room: MC 5479\n * Zoom lin
 k:\nhttps://uwaterloo.zoom.us/j/94186354814?pwd=NGpLM3B4eWNZckd1aTROcmRreW
 96QT09
DTSTAMP:20260605T112747Z
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