A Primer on Homotopy Colimits

A Primer on Homotopy Colimits
by Daniel Dugger

Publisher: University of Oregon 2008
Number of pages: 72

Description:
This is an expository paper on homotopy colimits and homotopy limits. These are constructions which should arguably be in the toolkit of every modern algebraic topologist. Many proofs are avoided, or perhaps just sketched.