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DTSTART:20190310T070000
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UID:69da08c739259
DTSTART;TZID=America/Toronto:20190328T160000
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URL:https://uwaterloo.ca/institute-for-quantum-computing/events/real-algebr
 a-random-walks-and-information-theory
LOCATION:MC - Mathematics & Computer Building 200 University Avenue West 55
 01 Waterloo ON N2L 3G1 Canada
SUMMARY:Real algebra\, random walks\, and information theory
CLASS:PUBLIC
DESCRIPTION:TOBIAS FRITZ\, PERIMETER INSTITUTE\n\nSimilar to how commutativ
 e algebra studies rings and their ideals\, the\nprotagonists of real algeb
 ra are ordered rings. Their interplay\nbetween algebra and geometry is stu
 died in terms of Positivstellen-\nstze\, real analogs of the Nullstellensa
 tz\, which go back to Artin's\nsolution of Hilbert's 17th problem. I will 
 describe some of the state\nof the art in this eld\, and then introduce a 
 new Positivstellensatz\nwhich unies and generalizes several of the existin
 g ones.
DTSTAMP:20260411T083935Z
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