Geodesic
Deformations of Dimer Models
Symmetry, integrability and geometry: methods and applications, Tome 18 (2022) Cet article a éte moissonné depuis la source Math-Net.Ru

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The combinatorial mutation of polygons, which transforms a given lattice polygon into another one, is an important operation to understand mirror partners for two-dimensional Fano manifolds, and the mutation-equivalent polygons give ${\mathbb Q}$-Gorenstein deformation-equivalent toric varieties. On the other hand, for a dimer model, which is a bipartite graph described on the real two-torus, one can assign a lattice polygon called the perfect matching polygon. It is known that for each lattice polygon $P$ there exists a dimer model having $P$ as the perfect matching polygon and satisfying certain consistency conditions. Moreover, a dimer model has rich information regarding toric geometry associated with the perfect matching polygon. In this paper, we introduce a set of operations which we call deformations of consistent dimer models, and show that the deformations of consistent dimer models realize the combinatorial mutations of the associated perfect matching polygons.
Keywords: dimer models, combinatorial mutation of polygons, mirror symmetry. 
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     author = {Akihiro Higashitani and Yusuke Nakajima},
     title = {Deformations of {Dimer} {Models}},
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     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2022_18_a29/}
}
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Akihiro Higashitani; Yusuke Nakajima. Deformations of Dimer Models. Symmetry, integrability and geometry: methods and applications, Tome 18 (2022). http://geodesic.mathdoc.fr/item/SIGMA_2022_18_a29/

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