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SUMMARY:The relationship between pie\, flexible and semiflexible limits. -
  John Bourke (Brno)
DTSTART:20110607T131500Z
DTEND:20110607T144500Z
UID:TALK31707@talks.cam.ac.uk
CONTACT:Nathan Bowler
DESCRIPTION:Pie limits are important in 2-category theory because although
  many important 2-categories fail to be complete\, such as the 2-category 
 of monoidal categories and strong monoidal functors\, they do typically ad
 mit pie limits.  Flexible and semiflexible limits were first considered as
  instances of the more general notions of flexible and semiflexible algebr
 a.\n\nOur aim is to describe the relationship between these different clas
 ses of limits in a number of ways: in terms of their good behaviour with r
 espect to equivalences\, and as various kinds of coalgebra for a comonad. 
 This is joint work with Richard Garner.\n
LOCATION:MR11\, Centre for Mathematical Sciences
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