1
vote
1answer
111 views
Compact generator of $D(\mathbb{P}^1)$
I suppose that Beilinson's compact generator (and, in fact, tilting object) $\mathcal{O} \oplus \mathcal{O}(1)$ in $D(\mathbb{P}^1)$ is the most well known example. I have the foll …
4
votes
2answers
268 views
Examples of tilting objects that don’t come from exceptional sequences
This is a question on geometric tilting theory. On smooth projective variety it is possible to define in general tilting object as perfect complex that satisfy some properties, but …
5
votes
0answers
136 views
Not isomorphic varieties with isomorphic tilting algebras
Let $X$ be a smooth projective variety over a field, than tilting object $T$ on $X$ is a perfect complex that is a compact generator of the derived category $\operatorname{D}(QCoh( …
7
votes
1answer
399 views
got any tricks to build up t-structures on derived categories?
Are there any good tricks to construct a heart of a t-structure? (I'm thinking on the derived category of coherent sheaves of some variety)
I'll start with the only one I know. If …
1
vote
1answer
87 views
Which class of finite dimension algebra has only trivial tilting modules?
I have already knowed that selfinjective algebras have only trivial tilting modules,but besides this,is there any more?
2
votes
0answers
281 views
Geometric picture behind tilting sheaves
I am trying to read "Tilting exercises" and have trouble to see any geometric pictures behind the formulas.
So my questions are, how to think about tilting perverse sheaves?
Are …

