More on zeros and approximation of the Ising partition function
We consider the problem of computing the partition function $\sum _x e^{f(x)}$ , where $f: \{-1, 1\}^n \longrightarrow {\mathbb R}$ is a quadratic or cubic polynomial on the Boolean cube $\{-1, 1\}^n$ . In the case of a quadratic polynomial f, we show that the partition function...
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Fformat: | Erthygl |
Iaith: | English |
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Cambridge University Press
2021-01-01
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Cyfres: | Forum of Mathematics, Sigma |
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Mynediad Ar-lein: | https://www.cambridge.org/core/product/identifier/S2050509421000402/type/journal_article |