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Zhen Lin

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Why is a topology made up of ‘open’ sets? [closed]

jan 21 at 20:07 Marcos Cossarini 713●6●8

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Jokes in the sense of Littlewood: examples? [closed]

dec 10 at 11:42 Michael Hardy 4,558●1●23●48

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How To Present Mathematics To Non-Mathematicians?

apr 6 12 at 21:02 Ronnie Brown 5,486●19●21

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What are the most elegant proofs that you have learned from MO?

jul 25 11 at 3:13 Ali Enayat 4,459●1●9●23

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Famous mathematical quotes [closed]

feb 1 11 at 5:06 J. H. S. 2,485●13●31

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Do good math jokes exist? [closed]

sep 2 11 at 8:31 Alon Amit 4,035●15●40

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Algorithm or theory of diagram chasing

jun 24 10 at 15:01 Greg Kuperberg 36.4k●2●117●179

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Quick proofs of hard theorems

jan 25 11 at 0:05 robot 1,669●5●15

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Errata for Atiyah-Macdonald

mar 8 at 2:58 Junyan Xu 178●1●4●8

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Sheaf cohomology and injective resolutions

sep 14 11 at 19:14 Anton Geraschenko♦♦ 13.8k●3●48●108

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whence commutative diagrams?

mar 25 11 at 1:11 KConrad 17.2k●3●64●119

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