Line bundles
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“Problem” 45. Notes on the pullback and pushforward.
Currently, there are several problems I am working on; I seem to be stuck on all…
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Problem 41: Hartshorne II.6.8
Hartshorne Exercise II.6.8. Let $\varphi: \PP{k}{n}\ra\PP{k}{m}$ be a morphism. Then: (a) Let $f:X\ra Y$ be a…
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Problem 35: Hartshorne II.7.4.
Hartshorne Exercise II.7.4. (a) Use (7.6) to show that if $X$ is a scheme of finite…
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Problem 34: Hartshorne II.7.2.
After a six-week moratorium, we are back. I plan to keep posting problems and solutions daily,…