Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:application |
gptkb:cluster_algebras
physics scattering amplitudes |
| gptkbp:definedIn |
totally nonnegative matrices
|
| gptkbp:field |
gptkb:mathematics
|
| gptkbp:hasSubfield |
gptkb:combinatorics
gptkb:algebraic_geometry |
| gptkbp:introduced |
gptkb:Alexander_Postnikov
|
| gptkbp:introducedIn |
2006
|
| gptkbp:property |
cell decomposition
positroid stratification |
| gptkbp:relatedConcept |
gptkb:amplituhedron
matroid plabic graph |
| gptkbp:relatedTo |
gptkb:Grassmannian
|
| gptkbp:studiedBy |
gptkb:Nima_Arkani-Hamed
gptkb:Lauren_Williams gptkb:Thomas_Lam |
| gptkbp:bfsParent |
gptkb:amplituhedron
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
positive Grassmannian
|