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-3 votes
0 answers
100 views

A presentation for the group $GL(n,\mathbb{Z}_p)$

2 votes
0 answers
55 views

Classification of centralizers of elements of finite simple groups of Lie type

0 votes
1 answer
203 views

Equivalence of dihedral and symmetric group actions on a specialized real algebra

1 vote
1 answer
256 views

Group element of group algebra

3 votes
0 answers
154 views

Faithful representations and symmetric powers

0 votes
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59 views

Co-boundary crossed homomorphism & "sign" preserving. Why 2-valued components is special?

8 votes
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196 views

Logarithm of a $p$-group in $\mathrm{GL}_n(p)$

3 votes
1 answer
153 views

Geometry and topology of Fuchsian character varieties

5 votes
0 answers
88 views

$\text{Rep}(D_4)$ and its three fiber functors

2 votes
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76 views

Question about lattice with dense projection

12 votes
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329 views

Does every finite group have a small projective representation (over some ring)?

3 votes
1 answer
340 views

Fundamental group of the grid on $\mathbb{R}^\mathbb{N}$

5 votes
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538 views

A problem on additive combinatorics in right-ordered groups

4 votes
2 answers
204 views

Normalizers of the principal congruence subgroups in $\mathrm{GL}(n,\mathbf Q)$

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