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DTSTART:20240310T070000
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DTSTART:20231105T060000
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DTSTART;TZID=America/Toronto:20240816T153000
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URL:https://uwaterloo.ca/combinatorics-and-optimization/events/tutte-colloq
 uium-vera-roshchina
SUMMARY:Tutte Colloquium - Vera Roshchina
CLASS:PUBLIC
DESCRIPTION:TITLE: Everything is possible: constructing convex sets with\n
 prescribed facial dimensions\, efficiently\n\nSPEAKER:\n Vera Roshchina\n\
 nAFFILIATION:\n UNSW\n\nLOCATION:\n MC 5501\n\nABSTRACT: Given any finite
  set of nonnegative integers\, there exists\na closed convex set whose fac
 ial dimension signature coincides with\nthis set of integers\, that is\, t
 he dimensions of its nonempty faces\ncomprise exactly this set of integers
 . In this work\, we show that such\nsets can be realised as solution sets 
 of systems of finitely many\nconvex quadratic inequalities\, and hence are
  representable via\nsecond-order cone programming problems\, and are\, in 
 particular\,\nspectrahedral.
DTSTAMP:20260405T062442Z
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