acyclic fibration

In a model category, an **acyclic fibration** or **trivial fibration** is a morphism which is both a fibration and a weak equivalence.

Dually, an **acyclic cofibration** or **trivial cofibration** is a morphism which is both a cofibration and a weak equivalence.

Revised on February 11, 2013 19:32:24
by Urs Schreiber
(89.204.138.151)