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1 vote
0 answers
48 views

What is known about the algebras $\mathrm{End}_{U_q(\mathfrak{sl}_2)}(L(d)^{\otimes n})$?

16 votes
1 answer
730 views
+200

Does $\mathrm{Ext}^1(M,M) \neq 0$ imply $\mathrm{Ext}^2(M,M) \neq 0$?

10 votes
1 answer
446 views

Equivalence of Yetter-Drinfeld modules to Drinfeld center: is there a purely categorical proof?

12 votes
1 answer
364 views

Permutation groups having a regular cyclic subgroup and a conjectured algebra of characters

41 votes
4 answers
3k views

What are the applications of immanants?

8 votes
1 answer
172 views

Reference request: superconformal algebras and representations

3 votes
2 answers
850 views

Vanishing cohomology of line bundles on the Springer resolution

6 votes
2 answers
352 views

Does the converse of Schur's lemma hold for smooth representations of finite length of p-adic group?

7 votes
1 answer
283 views

The second Brauer-Thrall conjecture for finitely generated algebras

21 votes
0 answers
557 views

Row of the character table of symmetric group with most negative entries

9 votes
1 answer
821 views

Is there a generalization of Burnside's theorem for compact Lie groups?

0 votes
1 answer
191 views

Presentation for a nilpotent group associated to the square of a Coxeter element

2 votes
0 answers
72 views

Restriction of a Schwartz function to Bruhat open cell over p-adic field

2 votes
1 answer
239 views

Group algebra representations that preserve involution

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