Grassmannian Geometries for Non-Planar On-Shell Diagrams
Analysis
Key Takeaways
- •Focuses on non-planar on-shell diagrams, relevant at finite N.
- •Uses the Grassmannian formalism to analyze these diagrams.
- •Identifies pseudo-positive geometries associated with MHV diagrams.
- •Proves completeness of identity moves for MHV on-shell diagrams.
“The paper shows that non-planar diagrams, specifically MHV diagrams, can be represented by pseudo-positive geometries in the Grassmannian G(2,n).”