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Questions

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63
votes
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answers
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How to memorise (understand) Nakayama’s lemma and its corollaries?

may 16 at 18:23 Joël 10.4k12056

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8
answers
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Examples in mirror symmetry that can be understood.

mar 12 11 at 11:38 Gil Kalai 11.1k681146

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answers
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One point in the post of Terence Tao on Ax-Grothendieck theorem

mar 7 11 at 1:38 Guillermo Mantilla 1,319716

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8
answers
2k
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Proofs of Mordell-Weil theorem

oct 29 at 18:55 Pete L. Clark 40k4103227

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5
answers
1k
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Is there a “geometric” intuition underlying the notion of normal varieties?

dec 28 at 9:51 David C 2,07838

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6
answers
1k
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Explaining the concept of projective space: notes for students

apr 4 at 17:04 nonlinearism 18918

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4
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5
answers
1k
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Unique factorisation and the fact that $\mathbb A^2-0$ is not an affine variety?

mar 7 11 at 14:21 Brian 886215

4
7
votes
2
answers
901
views

A geometric reference for (affine) Gorenstein varieties and singularities

mar 7 11 at 0:43 Hailong Dao 15.5k2971

2
9
votes
1
answer
862
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Fixing a mistake in “An introduction to invariants and moduli”

apr 20 11 at 8:22 MathOverflow 123

3
13
votes
3
answers
758
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How to disjoint two cycles with zero intersection?

oct 4 11 at 6:53 algori 16.1k12994

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