Characterizing partition functions of the vertex model
| Autor: | Draisma, J., Gijswijt, D., Lovász, L., Regts, G., Schrijver, A. |
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| Přispěvatelé: | Discrete Algebra and Geometry |
| Jazyk: | angličtina |
| Rok vydání: | 2011 |
| Popis: | We characterize which graph parameters are partition functions of a vertex model over an algebraically closed field of characteristic 0 (in the sense of de la Harpe and Jones [4]). We moreover characterize when the vertex model can be taken so that its moment matrix has finite rank. |
| Databáze: | OpenAIRE |
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