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DTSTART:20260308T070000
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DTSTART:20251102T060000
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DTSTART;TZID=America/Toronto:20260625T133000
SEQUENCE:0
TRANSP:TRANSPARENT
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URL:https://uwaterloo.ca/pure-mathematics/events/computability-learning-sem
 inar-174
SUMMARY:Computability Learning Seminar
CLASS:PUBLIC
DESCRIPTION:BEINING MU\, UNIVERSITY OF WATERLOO\n\n_Thickness Lemma and Inf
 inite Injury Priority Argument_\n\nIn this talk\, I will present Strong Th
 ickness Lemma\, which states that\nevery piecewise computable c.e. set has
  a thick subset which lies\noutside of an upper cone of a non-computable c
 .e. set\, as an example\nof infinite injury priority argument. In addition
 \, I will discuss how\nthickness lemma implies the lack of least upper bou
 nd for infinite\nascending c.e. degrees.\n\nMC 5403
DTSTAMP:20260615T165315Z
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