23 May
2012
23 May
'12
7:37 a.m.
On 23/05/2012, at 2:34 AM, Prof. Peter Johnstone wrote:
The dual construction was studied by Sabah Fakir in "Monade idempotente associee a une monade", C.R. Acad. Sci. Paris 270 (1970), A99-101.
Brian Day made good use of that construction to revisit the Applegate-Tierney tower. That might be relevant to Mike Barr too. See Day, Brian. On adjoint-functor factorisation. Category Seminar (Proc. Sem., Sydney, 1972/1973), pp. 1--19. Lecture Notes in Math., Vol. 420, Springer, Berlin, 1974. Ross [For admin and other information see: http://www.mta.ca/~cat-dist/ ]