AG : Colin Krawchuk (Cambridge) : Boundary algebras arising from uniform Postnikov diagams on surfaces.
AG : Colin Krawchuk (Cambridge) : Boundary algebras arising from uniform Postnikov diagams on surfaces.
A Postnikov diagram is an embedding of oriented curves, called strands, in a disk. These diagrams are known to describe the cluster algebra structure of open positroid varieties, with diagrams of uniform type corresponding to a cluster of minors in