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Schemes 48: The canonical sheaf
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This lecture is part of an online algebraic geometry course on schemes, based on chapter II of "Algebraic geometry" by Hartshorne.
In this lecture we define the canonical sheaf, giev a survey of some applications (Riemann-Roch theorem, Serre duality, canonical embeddings, Kodaira dimension), and calculate it for some easy examples (projective space, nonsingular hypersurfaces).
In this lecture we define the canonical sheaf, giev a survey of some applications (Riemann-Roch theorem, Serre duality, canonical embeddings, Kodaira dimension), and calculate it for some easy examples (projective space, nonsingular hypersurfaces).
Schemes 48: The canonical sheaf
The canonical sheaf
Serre duality and the adjunction formula
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