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Heronian Friezes

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CARW03 - Interdisciplinary applications of cluster algebras

Exchange relations in cluster algebras of type A can be interpreted as Ptolemy relations for ideal quadrilaterals on the hyperbolic plane. In joint work with Linus Setiabrata, we develop a counterpart of this construction in the Euclidean plane.

This talk is part of the Isaac Newton Institute Seminar Series series.

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