Positive Configuration Space

Arkani-Hamed, N; Lam, T; Spradlin, M

Arkani-Hamed, N (corresponding author), Inst Adv Study, Sch Nat Sci, Princeton, NJ 08540 USA.; Arkani-Hamed, N (corresponding author), Harvard Univ, Ctr Math Sci & Applicat, Cambridge, MA 02138 USA.

COMMUNICATIONS IN MATHEMATICAL PHYSICS, 2021; 384 (2): 909

Abstract

We define and study the totally nonnegative part of the Chow quotient of the Grassmannian, or more simply the nonnegative configuration space. This sp......

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