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# Questions

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### Factorizing polynomials in $\mathbf{Z}[[x]]$

feb 25 11 at 11:58 François Brunault 7,42911335

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### Is there always, for a given prime $p$, a prime $\ell<p$ that is not a quadratic residue mod $p$?

jan 18 11 at 6:38 Péter Komjáth 3,4881319

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### When do the sizes of conjugacy classes and squares of degrees of irreps give the same partition for a finite group?

may 25 12 at 0:18 Glasby 12314

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### A question on liftings of supersingular elliptic curves over the prime fields

mar 25 10 at 17:34 AVS 56038

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### Reference request for projective representations of finite groups over a non-problematic field

oct 30 11 at 18:58 Boris Novikov 1,371139

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### Supersingular elliptic curves and their “functorial” structure over F_p^2

mar 24 10 at 14:26 Alexey Zaytsev 1535

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### Finite dimensional automorphic representations of a definite quaternion with prime discriminant and Hecke action

oct 12 11 at 0:06 Tommaso Centeleghe 1,874412

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530
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### Elliptic curves over finite fields and 2x2 matrices

jun 3 11 at 16:27 Tommaso Centeleghe 1,874412

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458
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### Endomorphisms rings of elliptic curves and congruences of $j$

mar 10 12 at 12:01 Tommaso Centeleghe 1,874412

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