factorization lemma

model category, model -category Definitions Morphisms Universal constructions Refinements Producing new model structures Presentation of -categories Model structures for -groupoids on chain complexes/model structure on cosimplicial abelian groups related by the Dold-Kan correspondence for equivariant -groupoids for rational -groupoids for rational equivariant -groupoids for -groupoids for -groups for -algebras general -algebras specific -algebras for stable/spectrum objects for -categories for..