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DTSTART;TZID=America/Toronto:20181002T143000
SEQUENCE:0
TRANSP:TRANSPARENT
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URL:https://uwaterloo.ca/pure-mathematics/events/algebra-seminar-34
SUMMARY:Algebra Seminar
CLASS:PUBLIC
DESCRIPTION:JAIRO GONCALVES\, UNIVERSITY OF SAO PAULO\n\n\"Some problems i
 n division rings\"\n\nLet $D$ be a division ring with center $k$ and multi
 plicative group\n$D^{\\bullet}= D \\setminus \\{0\\}$. Moreover\, let $N \
 \vartriangleleft\nD^{\\bullet}$ be a noncentral normal subgroup. We addres
 s the various\ncases in which the following conjecture\, due to Lichtman\,
  holds:\n\nConjecture: $N$ contains a free (non cyclic) subgroup.
DTSTAMP:20260607T055104Z
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