36

Questions
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12
25
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3
answers
1k
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product of all F_p, p prime

feb 16 10 at 15:10 Pete L. Clark 39.5k●3●102●225

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21
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2
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1k
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Non-integral scheme having integral local rings

dec 30 09 at 2:20 Georges Elencwajg 24.3k●65●132

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12
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2
answers
732
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a weird sequence with a non-integral term

feb 1 10 at 0:18 moonface 587●3●9

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12
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4
answers
1k
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Open affine subscheme of affine scheme which is not principal

jun 4 11 at 14:37 Martin Brandenburg 29.1k●2●45●129

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10
votes
3
answers
776
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Which polynomials are determinants of a symmetric matrix with linear entries?

may 18 12 at 18:18 Alison Miller 1,874●10●16

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9
votes
2
answers
918
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adding an n-th root to Q_p

feb 2 10 at 21:09 Wanderer 2,969●12●28

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8
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2
answers
481
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cocompact discrete subgroups of SL_2

feb 12 10 at 10:47 Wanderer 2,969●12●28

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7
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2
answers
787
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Picard group of scheme over DVR

jan 19 11 at 19:40 Emerton 38.9k●4●120●198

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7
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2
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413
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Is there a bound on arithmetic genus of a variety in projective n-space in terms of dimension and degree?

feb 17 11 at 20:21 Hailong Dao 15.4k●29●69

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6
votes
2
answers
1k
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Quadratic forms over finite fields

mar 5 10 at 0:10 Scott Morrison♦ 4,460●4●26●44

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