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math.GT2020★ 2 cited
Presentations of the Roger-Yang generalized skein algebra
Farhan Azad, Zixi Chen, Matt Dreyer +2
We describe presentations of the Roger-Yang generalized skein algebras for punctured spheres with an arbitrary number of punctures. This skein algebra is a quantization of the deco…
math.AG2020★ 4 cited
Point configurations, phylogenetic trees, and dissimilarity vectors
Alessio Caminata, Noah Giansiracusa, Han-Bom Moon +1
In 2004 Pachter and Speyer introduced the higher dissimilarity maps for phylogenetic trees and asked two important questions about their relation to the tropical Grassmannian. Mult…