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Questions
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Invariant forms

may 20 10 at 23:09 José Figueroa-O'Farrill 19k●2●31●93

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A telegram by Grothendieck to Serre

jan 8 10 at 22:37 JS Milne 5,498●17●36

 
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Can a partial Steiner triple system be completed?

aug 17 11 at 6:08 Gerry Myerson 15.7k●1●47●87

 
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Surfaces in $\mathbb R^3$ with negative curvature bounded away from zero

nov 1 at 13:43 Mariano Suárez-Alvarez 30.6k●7●68●153

 
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Extensions of fields with lots of symmetry

feb 26 10 at 15:07 Georges Elencwajg 24.3k●65●132

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