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# Questions

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

jan 21 at 20:07 Marcos Cossarini 71368

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### Is Grothendieck a computer?

jul 6 at 0:20 unknown (google) 5,540630

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### Practical applications of algebraic number theory?

may 13 12 at 15:35 Alexander Chervov 7,10311641

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### Non-abelian class field theory and fundamental groups

nov 30 11 at 5:58 Emerton 39k4120198

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### On the periods in the periodic table (or Why is a noble gas stable?)

nov 21 11 at 15:02 Minhyong Kim 7,17953052

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### What exactly is the relation between string theory and conformal field theory?

oct 13 11 at 1:49 Aaron Bergman 1,4431515

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### Are $C$ and $\bar{Q_p}$ isomorphic?

aug 13 11 at 4:47 François G. Dorais 22.7k249114

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### The fundamental lemma and the conjecture of Birch and Swinnerton-Dyer

oct 12 10 at 5:57 Minhyong Kim 7,17953052

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475
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### Characteristic power series for maps of E_{\infty} ring spectra

aug 22 10 at 16:26 Charles Rezk 12.9k13166

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