The Joy of Why
What Is the Positive Grassmannian and Why Does It Show Up Everywhere?
June 25, 202651 min
Show notes
What links certain mathematical models of traffic flow, shallow-water waves, and quantum particle scattering? The surprising answer lies in a corner of the algebraic combinatorics world that goes by the name of positive Grassmannian. In simple terms, the positive Grassmannian is a shape that classifies other shapes.
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