# nLab model structure on dg-operads

model category

## Model structures

for ∞-groupoids

### for $(\infty,1)$-sheaves / $\infty$-stacks

#### Higher algebra

higher algebra

universal algebra

# Contents

## Idea

Many general results discussed at model structure on operads are based on the existence of a cocommutative Hopf interval object . In the category of chain complexes – the case for dg-operads – the Hopf interval is not cocommutative, so this case requires special discussion.

## References

Created on December 9, 2010 14:18:13 by Urs Schreiber (131.211.232.192)