Abstract
A categorical formalism for directed graphs is introduced, featuring natural notions of morphisms and subgraphs, and leading to two elementary descriptions of the free-properad monad, first in terms of presheaves on elementary graphs, second in terms of groupoid-enriched hypergraphs.
| Originalsprog | Engelsk |
|---|---|
| Tidsskrift | Collectanea Mathematica |
| Vol/bind | 67 |
| Udgave nummer | 2 |
| Sider (fra-til) | 155-190 |
| Antal sider | 36 |
| ISSN | 0010-0757 |
| DOI | |
| Status | Udgivet - maj 2016 |
| Udgivet eksternt | Ja |