Alex Collins

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Name Alex Collins
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Seen Nov 17 at 13:40
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What is the field with one element?

jan 6 10 at 10:07 Ilya Nikokoshev 8,989●5●30●73

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how does one understand GRR? (Grothendieck Riemann Roch)

apr 29 11 at 3:28 roy smith 4,891●34●28

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How do I check if a functor has a (left/right) adjoint?

oct 21 10 at 19:16 Buschi Sergio 1,799●1●3●8

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What is Koszul duality?

nov 27 09 at 23:59 Ilya Nikokoshev 8,989●5●30●73

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What about stacks of categories in algebraic geometry?

mar 1 11 at 18:32 Torsten Ekedahl 17.9k●1●42●68

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Extending vector bundles on a given open subscheme

apr 23 10 at 20:16 Sasha 9,923●1●7●17

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Understanding formula in Frenkel-Witten

nov 19 09 at 3:41 S. Carnahan♦ 25.6k●41●90