We communicate three formulas for the permanents of degenerate Schur and circulant matrices. These combinatorial and integral formulas are intended for the analytical and asymptotic evaluation of the permanents as well as for the solution of three-dimensional Ising model. The paper's goal is to draw attention to the open fundamental problem of finding the permanents' asymptotics. A solution to this problem would be tremendously important for physics of many-body systems and critical phenomena, as well as for quantum field theory. (C) 2017 Elsevier Inc. All rights reserved.
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Shandong Normal Univ, Sch Math & Stat, Jinan, Shandong, Peoples R China
Georgian Court Univ, Dept Math, Lakewood, NJ USAShandong Normal Univ, Sch Math & Stat, Jinan, Shandong, Peoples R China
Cao, Lei
Chen, Zhi
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Nanjing Agr Univ, Dept Math, Nanjing 210095, Jiangsu, Peoples R ChinaShandong Normal Univ, Sch Math & Stat, Jinan, Shandong, Peoples R China
Chen, Zhi
Koyuncu, Selcuk
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Univ North Georgia, Dept Math, Dahlonega, GA USAShandong Normal Univ, Sch Math & Stat, Jinan, Shandong, Peoples R China
Koyuncu, Selcuk
Li, Huilan
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Shandong Normal Univ, Sch Math & Stat, Jinan, Shandong, Peoples R ChinaShandong Normal Univ, Sch Math & Stat, Jinan, Shandong, Peoples R China
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Chinese Acad Sci, Acad Math & Syst Sci, Hua Loo Keng Key Lab Math, Beijing 100190, Peoples R ChinaChinese Acad Sci, Acad Math & Syst Sci, Hua Loo Keng Key Lab Math, Beijing 100190, Peoples R China