Positive Configuration Space

Abstract We define and study the totally nonnegative part of the Chow quotient of the Grassmannian, or more simply the nonnegative configuration space. This space has a natural stratification by positive Chow cells, and we show that nonnegative configuration space is homeomorphic to a polytope as a...

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Bibliographic Details
Main Authors: Arkani-Hamed, Nima (Author), Lam, Thomas (Author), Spradlin, Marcus (Author)
Format: Article
Language:English
Published: Springer Berlin Heidelberg, 2021-11-01T14:33:14Z.
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