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DTSTART:20220313T070000
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DTSTART;TZID=America/Toronto:20221024T113000
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URL:https://uwaterloo.ca/combinatorics-and-optimization/events/algebraic-gr
 aph-theory-seminar-guillermo-nunez-ponasso
SUMMARY:Algebraic Graph Theory Seminar - Guillermo Nunez Ponasso
CLASS:PUBLIC
DESCRIPTION:TITLE: Hadamard’s Maximal Determinant Problem and Generalisat
 ions\n\nSpeaker:\n Guillermo Nunez Ponasso\n\nAffiliation:\n Worcester Pol
 ytechnic Institute\n\nLocation:\n Please contact Sabrina Lato for Zoom lin
 k\n\nABSTRACT:  Any matrix $M$ of order $n$ with entries taken from the\n
 complex unit disk satisfies Hadamard’s determinantal inequality\n$|\\det
  M|\\leq n^{n/2}$. Matrices meeting this bound with equality have\npairwis
 e orthogonal rows and columns. Such matrices are known as\nHadamard matric
 es\, and character tables of finite abelian groups give\nexamples at every
  order.
DTSTAMP:20260418T181432Z
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