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DTSTART:20230312T070000
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DTSTART;TZID=America/Toronto:20231115T150000
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URL:https://uwaterloo.ca/pure-mathematics/events/algebraic-geometry-working
 -seminar-67
SUMMARY:Algebraic Geometry Working Seminar
CLASS:PUBLIC
DESCRIPTION:SEAN MONAHAN\, DEPARTMENT OF PURE MATHEMATICS\, UNIVERSITY OF W
 ATERLOO\n\n\"APPROXIMATING RATIONAL POINTS ON HOROSPHERICAL VARIETIES\"\n\
 nI will discuss a recent paper that I wrote with Matt Satriano\, the\ntitl
 e of which is conveniently the title of this talk (arXiv\n2308.11847 [http
 s://arxiv.org/abs/2308.11847]). David McKinnon has a\nconjecture known as 
 the “curve of best approximation (COBA)”\nconjecture\, which says that
  among the sequences which approximate a\ngiven rational point on a projec
 tive variety\, the ones that do their\njob the best must lie on a rational
  curve inside the variety. To probe\nthis conjecture\, Matt and I explored
  the case where the variety is\nhorospherical so that we could use the tra
 ctable combinatorial theory\nwhich these varieties possess. Unfortunately\
 , the stars did not align\nsince this talk will not take place in MC 5417\
 , which is roughly the\ncentre point between the offices of Matt\, David\,
  and myself.\n\nQNC 1502
DTSTAMP:20260505T184459Z
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