Geodesic
Dilogarithm Identities for Sine-Gordon and Reduced Sine-Gordon Y-Systems
Symmetry, integrability and geometry: methods and applications, Tome 6 (2010) Cet article a éte moissonné depuis la source Math-Net.Ru

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We study the family of Y-systems and T-systems associated with the sine-Gordon models and the reduced sine-Gordon models for the parameter of continued fractions with two terms. We formulate these systems by cluster algebras, which turn out to be of finite type, and prove their periodicities and the associated dilogarithm identities which have been conjectured earlier. In particular, this provides new examples of periodicities of seeds.
Keywords: cluster algebras; quantum groups; integrable models. 
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     author = {Tomoki Nakanishi and Roberto Tateo},
     title = {Dilogarithm {Identities} for {Sine-Gordon} and {Reduced} {Sine-Gordon} {Y-Systems}},
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     year = {2010},
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     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a84/}
}
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Tomoki Nakanishi; Roberto Tateo. Dilogarithm Identities for Sine-Gordon and Reduced Sine-Gordon Y-Systems. Symmetry, integrability and geometry: methods and applications, Tome 6 (2010). http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a84/

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