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Questions
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How do branched coverings of complex surfaces “fit” with branched coverings of curves?

aug 2 10 at 7:50 Francesco Polizzi 19k●2●36●56

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Cohomological dimension

may 31 10 at 12:54 coudy 4,483●14●28

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How does the Frobenius act on the prime-to-$p$ $\pi_1(\mathbb{P}^1_{\overline{\mathbb{F_p}}}\setminus \{a_1,…,a_r\})$?

dec 21 10 at 1:07 Makhalan Duff 3,827●5●36

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Existence of weird automorphisms in finite groups

mar 25 11 at 22:44 Makhalan Duff 3,827●5●36

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Why is the zeta function of a variety over a finite field not a polynomial? (question about motives)

mar 16 11 at 2:14 Emerton 39k●4●120●198

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What does “cohomologically proper of dimension n” mean?

jan 2 11 at 5:53 Makhalan Duff 3,827●5●36

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For which fields is the inverse Galois problem known?

mar 3 12 at 8:15 Jérôme Poineau 897●1●5●10

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Are all henselian fields algebraic over complete fields?

may 4 12 at 3:19 Makhalan Duff 3,827●5●36

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What makes Geometric CFT easier than CFT?

jul 5 at 13:39 David Speyer 55.3k●3●102●236

 
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Can group cohomology be interpreted as an obstruction to lifts?

may 16 at 6:27 Mark Grant 9,061●1●14●35

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