Spahn
combinatorial shape (Rev #5, 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?.

General theory

Reedy categories

Interaction with model structures, generalized- and elegant Reedy categories

Characterizations of cells

Functorial characterization

Recursive characterization

Examples

Δ\Delta the simplex category

Ω\Omega the globe category

TT the tree category

\square the cube category

Θ\Theta Joyal’s category

Γ\Gamma Segal’s category

Opetope

Poset

Functorial images of combinatorial shape categories

Constraints on the functor

Nerves, Realization and Segal conditions

Model structures and presentation of higher structures

References

Revision on November 13, 2012 at 15:56:14 by Stephan Alexander Spahn?. See the history of this page for a list of all contributions to it.