Papers › Initial degenerations of spinor varieties

Initial degenerations of spinor varieties

8 Apr 2021arXiv:2104.03442links table onlyarchive 2025-07-28

Daniel Corey

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We construct closed immersions from initial degenerations of the spinor variety 𝕊ₙ to inverse limits of strata associated to even Δ-matroids. As an application, we prove that these initial degenerations are smooth and irreducible for n≤5 and identify the log canonical model of the Chow quotient of 𝕊₅ by the action of the diagonal torus of GL(5).

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