Julian Kuelshammer's user avatar
Julian Kuelshammer's user avatar
Julian Kuelshammer's user avatar
Julian Kuelshammer
  • Member for 12 years, 9 months
  • Last seen this week
27 votes
3 answers
2k views

How can classifying irreducible representations be a "wild" problem?

12 votes
0 answers
603 views

Given an algebra, can it be realized as a block of a Hopf algebra?

12 votes
2 answers
977 views

Auslander-Reiten theory of wild algebras known in examples?

9 votes
1 answer
703 views

Example of an abelian category with enough projectives and injectives which are not dual

9 votes
0 answers
352 views

Duality between coalgebras and (pseudocompact) algebras - uniqueness

8 votes
0 answers
243 views

Induction from the Borel subalgebra to BGG category $\mathcal{O}$

8 votes
2 answers
900 views

"Composition of Morita equivalences" or "Morita equivalence and the Nakayama functor"

6 votes
1 answer
712 views

$Ext$-algebra generated by $Hom$ and $Ext^1$ as $A_\infty$-algebra?

5 votes
0 answers
243 views

Partial formality of A-infinity structure implies formality

5 votes
0 answers
290 views

Recovering an A-infinity structure on an Ext-algebra from a quiver presentation

4 votes
2 answers
648 views

If an algebra is derived equivalent to a (special) biserial algebra is it biserial?

3 votes
0 answers
299 views

References for the bicategory of ring-bimodule pairs

2 votes
1 answer
985 views

Associated graded of a filtration of a tensor product

2 votes
1 answer
203 views

Products, internal homs and Hedetniemi's Conjecture

1 vote
0 answers
158 views

Coinduction and corestriction are quasi-inverse equivalences for comodules?