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DTSTART;TZID=America/New_York:20251028T160000
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URL;TYPE=URI:https://wpiedudev.wpi.edu/news/calendar/events/department-math
 ematical-sciences-discrete-math-seminar-bill-martin-wpi
SUMMARY:Department of Mathematical Sciences Discrete Math Seminar: Bill Mar
 tin, WPI
DESCRIPTION:\n\n\n      \n\n\n\nDepartment of Mathematical Sciences\nDiscre
 te Math Seminar\nTuesday, October 28th, 2025\n4:00PM-4:50PM\nOlin Hall 126
 \nSpeaker: Bill Martin, WPI\nTitle: Triple intersection numbers and Q-idea
 ls of Paley graphs\n\n\nAbstract: In joint work with Andries Brouwer, we u
 sed the Hasse-Weil bound for elliptic curves to estimate triple intersecti
 on numbers for the Paley graphs. This allows us to build a nice generating
  set for the ideal of all polynomials that vanish on each column of an eig
 enprojector of the adjacency matrix of the graph. This involves joint work
  with Ethan Washock (WPI Mac ’22). As time permits, I will provide some co
 ntext for this question and a conjecture about the ``dual girth’’ of a Q-p
 olynomial (co-metric) association scheme.\n
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