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Questions
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Surfaces containing curves of arbitrarily negative self-intersection

apr 5 12 at 12:39 Artie Prendergast-Smith 1,711●1●8●18

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Are automorphism groups of hypersurfaces reduced ?

jan 5 10 at 1:14 Bjorn Poonen 14.2k●2●47●75

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Coarse moduli spaces over Z and F_p

jan 27 10 at 9:08 Pete L. Clark 39.5k●3●102●225