Clark Barwick , On left and right model categories and left and right Bousfield localization (pdf)

a model category is called tractable if it is combinatorial and it has sets $I$ and $J$ of generating cofibrations and acyclic cofibrations, respectively, whose sources are all cofibrant.

Revised on October 15, 2012 16:46:18
by Urs Schreiber
(82.113.99.246)