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# Questions

2
1
173
views

### Barwise compactness theorem

mar 30 at 1:32 François G. Dorais 22.7k249114

1
vote
1
177
views

### Riemann-Roch theorem for arbitrary 1-dim schemes

mar 15 at 17:53 Vivek Shende 3,091722

1
vote
0
77
views

### Extension of a function

jan 17 at 6:33 Math-player 1,3911313

5
3
340
views

### Existence of weakly compact cardinals

oct 9 at 16:03 Joel David Hamkins 75.5k8188346

1
1
vote
0
162
views

### Characterizing $\mathbb{Q}$ among number fields

sep 19 at 9:44 Math-player 1,3911313

1
3
1
363
views

### Birch and Swinnerton-Dyer conjecture in positive characteristic

sep 18 at 11:22 Daniel Loughran 2,591718

1
7
4
861
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### Characteristic zero and characteristic $p$ in algebraic geometry

sep 11 at 6:34 unknown (yahoo) 413

0
1
130
views

### Admissible sets and infinitary languages

aug 29 at 0:24 Andreas Blass 33k454110

2
5
1
386
views

### Does normal Riemann hypothesis follow from extended Riemann hypothesis

aug 18 at 0:29 Math-player 1,3911313

1
4