Hilbert polynomial
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Problem 8: Hartshorne V.1.2
Hartshorne Exercise V.1.2 Let $H$ be a very ample divisor on a surface $X$, corresponding to…
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Problem 7: Hartshorne III.5.2
Hartshorne Exercise III.5.2. (a) Let $X$ be a projective scheme over a field $k$, let $\OO_X(1)$…