39 Groupoid Schemes
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Section 39.1: Introduction
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Section 39.2: Notation
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Section 39.3: Equivalence relations
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Section 39.4: Group schemes
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Section 39.5: Examples of group schemes
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Example 39.5.1: Multiplicative group scheme
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Example 39.5.2: Roots of unity
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Example 39.5.3: Additive group scheme
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Example 39.5.4: General linear group scheme
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Example 39.5.5
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Example 39.5.6: Constant group
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Section 39.6: Properties of group schemes
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Section 39.7: Properties of group schemes over a field
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Section 39.8: Properties of algebraic group schemes
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Section 39.9: Abelian varieties
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Section 39.10: Actions of group schemes
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Section 39.11: Principal homogeneous spaces
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Section 39.12: Equivariant quasi-coherent sheaves
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Section 39.13: Groupoids
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Section 39.14: Quasi-coherent sheaves on groupoids
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Section 39.15: Colimits of quasi-coherent modules
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Section 39.16: Groupoids and group schemes
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Section 39.17: The stabilizer group scheme
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Section 39.18: Restricting groupoids
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Section 39.19: Invariant subschemes
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Section 39.20: Quotient sheaves
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Section 39.21: Descent in terms of groupoids
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Section 39.22: Separation conditions
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Section 39.23: Finite flat groupoids, affine case
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Section 39.24: Finite flat groupoids
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Section 39.25: Descending quasi-projective schemes