# Spahn combinatorial shape (Rev #8, changes)

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One way to define higher structures is via functors on categories of combinatorial shapes (also called categories of geometric shapes).

Other approaches to define higher structures are by enrichment? or by internalization?.

## Examples

### $\Theta_A$

where $A$ is an $\omega$-operad and $\Theta_A$ is a dense subcategory of the category of $\underline A$-algebras. This is diecussed in Berger.

## References

Revision on November 16, 2012 at 18:08:16 by Stephan Alexander Spahn?. See the history of this page for a list of all contributions to it.