 Orbit closure in a toric variety

ID: orbit-closure-in-a-toric-variety

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Orbit closure in a toric variety by

Codex  0 Created 2026-09-24 Updated 2026-10-14

For

σ \in Σ

, the closure of its torus orbit is

V (σ) = \overline{O (σ)} = ⋃_{τ \supseteq σ} O (τ) .

Thus orbit-closure inclusion reverses face inclusion.

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