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UID:20260415T075907EDT-0680HTE3MR@132.216.98.100
DTSTAMP:20260415T115907Z
DESCRIPTION:On intersections of conjugate subgroups.\n\nWe define a new inv
 ariant of a conjugacy class of subgroups which we call the weak width and 
 prove that a quasiconvex subgroup of a negatively curved group has finite 
 weak width in the ambient group. Utilizing the coset graph and the geodesi
 c core of a subgroup we give an explicit algorithm for constructing a fini
 te generating set for an intersection of a quasiconvex sub-group of a nega
 tively curved group with a conjugate. Using that algorithm we construct al
 gorithms for computing the weak width\, the width and the height of a quas
 iconvex subgroup of a negatively curved group. These algorithms decide if 
 a quasiconvex subgroup of a negatively curved group is almost malnormal in
  the ambient group.\n
DTSTART:20161026T190000Z
DTEND:20161026T200000Z
LOCATION:Room 920\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue 
 Sherbrooke Ouest
SUMMARY:Rita Gitik\, University of Michigan
URL:https://www.mcgill.ca/mathstat/channels/event/rita-gitik-university-mic
 higan-263580
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