26 Jul
1993
26 Jul
'93
10:55 p.m.
The book "Lie Groupoids and Lie Algebroids in Differential Geometry" by Kirill Mackenzie [London Math Soc Lect Note Series 124; Camb U Press] may be of interest to Jim Stasheff. But this is about mixtures of category and Lie structures rather than replacement of the cat by the Lie. The Pradine work referred to by Andre Joyal is expanded on in Kirill's book. Ross (Street) +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++