Sufficient conditions for ordering of an~Ising ferromagnet
Teoretičeskaâ i matematičeskaâ fizika, Tome 35 (1978) no. 3, pp. 322-331

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A new technique is developed for constructing sufficient conditions for ordering in the onedimensional Ising model. A phase transition is guaranteed by an inequality which is weaker than Dyson's condition. The method is extended to systems of more dimensions. A simple method is proposed for proving Griffiths's inequalities.
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     author = {V. I. Kolomytsev and A. V. Rokhlenko},
     title = {Sufficient conditions for ordering of {an~Ising} ferromagnet},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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     year = {1978},
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     url = {http://geodesic.mathdoc.fr/item/TMF_1978_35_3_a3/}
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V. I. Kolomytsev; A. V. Rokhlenko. Sufficient conditions for ordering of an~Ising ferromagnet. Teoretičeskaâ i matematičeskaâ fizika, Tome 35 (1978) no. 3, pp. 322-331. http://geodesic.mathdoc.fr/item/TMF_1978_35_3_a3/