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math.CO2021
Friezes for a pair of pants
Ilke Canakci, Anna Felikson, Ana Garcia Elsener +1
Frieze patterns are numerical arrangements that satisfy a local arithmetic rule. These arrangements are actively studied in connection to the theory of cluster algebras. In the set…
math.RT2021★ 3 cited
Perfect matching modules, dimer partition functions and cluster characters
İlke Çanakçı, Alastair King, Matthew Pressland
Cluster algebra structures for Grassmannians and their (open) positroid strata are controlled by a Postnikov diagram D or, equivalently, a dimer model on the disc, as encoded by ei…