Lovasz-type theorems and game comonads
Lovász (1967) showed that two finite relational structures A and B are isomorphic if, and only if, the number of homomorphisms from C to A is the same as the number of homomorphisms from C to B for any finite structure C. Soon after, Pultr (1973) proved a categorical generalisation of this fact. We...
| Auteurs principaux: | , , |
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| Format: | Conference item |
| Langue: | English |
| Publié: |
IEEE
2021
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