Ah, shit. Some Nazi asshole stumbled on the idea of "right-wing intersectionality".
Used a lot of homological algebra but on an as-needed basis, not for its own sake.
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I was algebraic geometry. Homological algebra is just bookkeeping, at least to me. But finite fields are important for A.G.
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Also char. p is also very important, e.g. work of Mori. You can do geometry with in any ring. But I think rep. theory more useful.
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I studied a lot of algebraic geometry (self-study and graduate courses) and very little of it stuck.
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Learned more from https://www.amazon.com/Undergraduate-Algebraic-Geometry-Mathematical-Society/dp/0521356628%3FSubscriptionId%3DAKIAILSHYYTFIVPWUY6Q%26tag%3Dduckduckgo-ffsb-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3D0521356628 … long after grad school than I did from Hartshorne.
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I did Functional Analysis/pdes in undegrad. I though that's what real men did. Then I went to grad school and forgot C* algebras
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Best references to learn AG is Griffiths & Harris for intuition, Hartshorne for techniques. GH is so beautiful.pic.twitter.com/n1Tilmb8rk
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Math was more beautiful in the 19th C. I once had a class with Arnold, and it was like something from that era. My head was spinning
End of conversation
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.