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DTSTART:20240310T070000
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DTSTART:20231105T060000
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DTSTART;TZID=America/Toronto:20240702T133000
SEQUENCE:0
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URL:https://uwaterloo.ca/combinatorics-and-optimization/events/ura-seminar-
 thomas-lesgourgues
SUMMARY:URA Seminar - Thomas Lesgourgues
CLASS:PUBLIC
DESCRIPTION:TITLE: On the use of senders in Ramsey Theory\n\nSPEAKER:\n Th
 omas Lesgourgus\n\nAFFILIATION:\n University of Waterloo\n\nLOCATION:\n MC
  5479\n\nABSTRACT: In this talk I will introduce and investigate some\npa
 rameters in Graph Ramsey theory\, beyond the traditional Ramsey\nnumbers. 
 A crucial ingredient for their analysis is the existence of\ngadget graphs
 \, called signal senders\, that were initially developed by\nBurr\, Erdős
  and Lovász in 1976. I will explain their origin\,\nproperties\, and try 
 to convey their surprising strength. Using\nprobabilistic methods\, we wil
 l see how to build such gadgets\, and how\nto use them to prove some theor
 ems\, previously out of reach without\nthese tools.
DTSTAMP:20260403T072610Z
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