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DTSTART:20210314T070000
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DTSTART;TZID=America/Toronto:20220207T113000
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URL:https://uwaterloo.ca/combinatorics-and-optimization/events/algebraic-gr
 aph-theory-seminar-gabriel-coutinho-2
SUMMARY:Algebraic Graph Theory Seminar - Gabriel Coutinho
CLASS:PUBLIC
DESCRIPTION:TITLE: Optimizing sums of eigenvalues\n\nSpeaker:\n Gabriel Co
 utinho\n\nAffiliation:\n Universidade Federal de Minas Gerais\n\nZoom:\n C
 ontact Sabrina Lato\n\nABSTRACT:\n\nIn its original proof\, Hoffman's well
  known lower bound to the\nchromatic number is obtained after replacing se
 veral terms of a sum of\neigenvalues by the smallest eigenvalue of the gra
 ph.
DTSTAMP:20260402T151743Z
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