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Questions
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11
25
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3
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In which ways can the isogeny theorem fail for local fields?

feb 18 11 at 15:53 fherzig 719●1●5●8

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17
votes
4
answers
1k
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The resultant and the ideal generated by two polynomials in $\mathbb{Z}[x]$

mar 13 10 at 11:30 Robin Chapman 14.5k●2●29●50

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12
votes
3
answers
433
views

What is the minimal degree of a smooth projective embedding of a hyperelliptic curve?

may 2 11 at 23:41 David Speyer 54.9k●3●102●236

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9
votes
1
answer
225
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What is the Brauer group of the moduli space of (p.p.) abelian varieties?

sep 27 at 11:30 Jason Starr 1,835●8●14

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9
votes
1
answer
360
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Is an abelian variety with a Galois invariant, rank one submodule of its Tate module, CM?

feb 17 11 at 6:20 Pete L. Clark 39.5k●3●102●225

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5
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1
answer
239
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Abelian varieties with given endomorphism algebra

jan 26 at 21:14 Yuri Zarhin 2,204●4●11

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2
answers
337
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Maximal dimension of linear system of curves of fixed genus on a surface

nov 18 10 at 14:05 rita 4,399●1●9●24

 
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3
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693
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Unit in a number field with same absolute value at a real and a complex place

mar 11 10 at 22:46 Gerry Myerson 15.6k●1●47●87