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SUMMARY:Peter Hines
DTSTART:20201111T113000Z
DTEND:20201111T123000Z
DTSTAMP:20260423T011112Z
UID:YSseminar/9
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/YSseminar/9/
 ">Inverse Semigroups and Their Applications</a>\nby Peter Hines as part of
  York semigroup seminar\n\n\nAbstract\nThis talk is intended as an introdu
 ction to inverse semigroup theory\, strongly motivated by its applications
  in other fields.  No a priori knowledge of inverse semigroup theory is as
 sumed. \n\nStarting from the basic definitions\, we show how interesting a
 nd deep examples of inverse semigroups and related structures appear in ot
 her branches of mathematics\, and in computer science -- both theoretical 
 and practical.\n\nFrom computer science\, we give examples ranging from ra
 ce conditions in computer security to Scott domains and Ladner's theorem. 
 In pure mathematics\, we observe connections with structures such as Canto
 r Space\, (standard) Young tableaux\, Ballot sequences\, and Hilbert's hot
 el.\n\n(The two different classes of applications are of course closely co
 nnected).\n\n The ultimate aim is to provide some motivation for the study
  of (inverse) semigroup theory\, both in terms of its mathematical interes
 t\, and its practical applications.\n
LOCATION:https://researchseminars.org/talk/YSseminar/9/
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