Skip to main content

All Questions

Filter by
Sorted by
Tagged with
10 votes
0 answers
1k views

Complexes of representations with complementary central charges

This is another question asking for references. There is an important phenomenon of correspondence between (complexes of) representations of infinite-dimensional Lie algebras with the complementary ...
Leonid Positselski's user avatar
3 votes
0 answers
205 views

Finitistic dimension via tilting modules

is the following true (all algebras and modules are assumed to be finite dimensional): The finitistic dimension of an algebra is equal to the supremum of projective dimensions of tilting modules? It ...
Mare's user avatar
  • 26.5k
3 votes
2 answers
214 views

History of an open problem on partial tilting modules

The following is an open problem: Given a partial tilting module $T$ over a finite dimensional algebra $A$ (that is $Ext_A^i(T,T)=0$ for all $i \geq 1$ and $pd(T) < \infty$), then $T$ is a tilting ...
Mare's user avatar
  • 26.5k