Variations on the Ising problem

Frank Harary

Physica A: Statistical Mechanics and its Applications, 1986, vol. 138, issue 1, 359-363

Abstract: In a previous article we presented an exposition of the 2-dimensional Ising problem expressing it entirely in terms of enumerating even subgraphs of a labeled grid. On considering instead an unlabeled grid, the corresponding problem in graphical enumeration can be solved in the general n-dimensional case, thus providing a lower bound. A formulation of the analogous labeled and unlabeled problems for other regular graphs is proposed and it is discussed in particular for hypercubes.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:138:y:1986:i:1:p:359-363

DOI: 10.1016/0378-4371(86)90189-5

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