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- W4298204915 abstract "Isoradial embeddings of planar graphs play a crucial role in the study of several models of statistical mechanics, such as the Ising and dimer models. Kenyon and Schlenker give a combinatorial characterization of planar graphs admitting an isoradial embedding, and describe the space of such embeddings. In this paper we prove two results of the same type for generalizations of isoradial embeddings: isoradial immersions and minimal immersions. We show that a planar graph admits a flat isoradial immersion if and only if its train-tracks do not form closed loops, and that a bipartite graph has a minimal immersion if and only if it is minimal. In both cases we describe the space of such immersions. The techniques used are different in both settings, and distinct from those of Kenyon and Schlenker. We also give an application of our results to the dimer model defined on bipartite graphs admitting minimal immersions." @default.
- W4298204915 created "2022-10-01" @default.
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- W4298204915 date "2019-12-21" @default.
- W4298204915 modified "2023-10-17" @default.
- W4298204915 title "Isoradial immersions" @default.
- W4298204915 doi "https://doi.org/10.48550/arxiv.1912.10297" @default.
- W4298204915 hasPublicationYear "2019" @default.
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