scientific article; zbMATH DE number 7203457

zbMath1440.05233MaRDI QIDQ5110997

Rachel Karpman

Publication date: 26 May 2020

Full work available at URL: https://dmtcs.episciences.org/6392

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

total positivityprojected Richardson varietypositroidsigned permutationLagrangian Grassmannianpartial flag varietyplabic graph

Mathematics Subject Classification ID

Combinatorics of partially ordered sets (06A07) Grassmannians, Schubert varieties, flag manifolds (14M15) Classical problems, Schubert calculus (14N15) Combinatorial aspects of algebraic geometry (05E14)

Related Items (2)

Unified formalism for 6D superamplitudes based on a symplectic Grassmannian ⋮ Unnamed Item

Cites Work

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• Combinatorics of symmetric plabic graphs
• Matching polytopes, toric geometry, and the totally non-negative Grassmannian.
• Closure relations for totally nonnegative cells in \(G/P\)
• An algebraic cell decomposition of the nonnegative part of a flag variety
• Singular loci of Schubert varieties
• Projections of Richardson varieties
• Total positivity for cominuscule Grassmannians.
• Grassmannian Geometry of Scattering Amplitudes
• Positroid varieties: juggling and geometry
• The twist for positroid varieties

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