Holant clones and the approximability of conservative holant problems

We construct a theory of holant clones to capture the notion of expressibility in the holant framework. Their role is analogous to the role played by functional clones in the study of weighted counting Constraint Satisfaction Problems. We explore the landscape of conservative holant clones and deter...

Szczegółowa specyfikacja

Opis bibliograficzny
Główni autorzy: Backens, M, Goldberg, LA
Format: Journal article
Język:English
Wydane: Association for Computing Machinery 2020