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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
Extensions in Jacobian algebras via punctured skein relations
Salomon Dominguez, Ana Garcia Elsener
Given a Jacobian algebra arising from the punctured disk, we show that all non-split extensions can be found using the tagged arcs and skein relations previously developed in clust…