Dossier
positive Grassmannian
Coverage of positive Grassmannian in the Nexus archive.
- What Is the Positive Grassmannian and Why Does It Show Up Everywhere?
The positive Grassmannian, a concept from algebraic combinatorics, connects mathematical models of traffic flow, shallow-water waves, and quantum particle scattering. It functions as a shape that classifies other shapes and can be reassembled into new forms.