Initial degenerations of flag varieties

We prove that the initial degenerations of the flag variety admit closed immersions into finite inverse limits of flag matroid strata, where the diagrams are derived from matroidal subdivisions of a suitable flag matroid polytope. As an application, we prove that the initial degenerations of $\opera...

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Bibliographische Detailangaben

Hauptverfasser:	Corey, Daniel, Olarte, Jorge Alberto
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Algebraic Geometry Mathematics - Combinatorics
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