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SUMMARY:Bill De Witt (University of St Andrews)
DTSTART:20220215T200000Z
DTEND:20220215T210000Z
DTSTAMP:20260423T004733Z
UID:PALS/26
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/PALS/26/">Th
 e number of countable subdirect powers of finite unary algebras</a>\nby Bi
 ll De Witt (University of St Andrews) as part of PALS Panglobal Algebra an
 d Logic Seminar\n\n\nAbstract\nThe number of subdirect powers of an finite
  algebraic structure is a question that has appeared at various points in 
 recent history. The situation is known in full for groups\, and to some ex
 tent in semigroups. We answer the question for unary algebras\, and look a
 t how the situation is more complicated for infinite algebras. We then dis
 cuss what these results can tell us about the general question\, and how i
 t ties into other topics such as boolean separation.\n
LOCATION:https://researchseminars.org/talk/PALS/26/
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