Algebraic geometry II - schemes and sheaves

MATH-510

Lecture 18 (15.11.24) summary

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1) Coherent sheaves can be realized as tilda of finitely generated modules.

2) Globally generated sheaves. Ample invertible sheaves.

3) Example of ample invertible sheaves on Proj.

4) Weil divisors. Weil divisor class groups. Class group of affine and projective spaces.