Definition 106.13.1. Let $\mathcal{X}$ be an algebraic stack. We say $\mathcal{X}$ is well-nigh affine if there exists an affine scheme $U$ and a surjective, flat, finite, and finitely presented morphism $U \to \mathcal{X}$.
Definition 106.13.1. Let $\mathcal{X}$ be an algebraic stack. We say $\mathcal{X}$ is well-nigh affine if there exists an affine scheme $U$ and a surjective, flat, finite, and finitely presented morphism $U \to \mathcal{X}$.
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