83

Answers
votes newest views recent
8
When does sheaf cohomology commute with arbitrary direct sums?
9
Characterization of schemes whose dualizing complex is perfect
5
abelian category which is not well-powered
6
Coreflective Subcategories of the Stable Homotopy Category
7
Matrix factorization categories beyond the isolated singularity case
3
Sheaf cohomology and torsion
2
Is K(R-Mod) compactly generated when R is an artin algebra?
2
When do chain complexes decompose as a direct sum?
2
Applications of classifying thick subcategories
5
Classification of t-structures in derived category of R-mod?
17
What is the opposite category of the category of modules (or Hopf algebra representations)?
8
Is the tensorproduct of a triangulated category with a ring again triangulated?
6
Can one extend a morphism of commutative triangles to a morphism of octahedral diagrams?
5
Is the chain homotopy category, K(Ab), an Abelian category? By Ab, I mean the category of Abelian groups.
3
Looking for reference talking about torsion theory on coherent sheaves on projective space
24
How do I know the derived category is NOT abelian?
8
Verdier duality via Brown representability?
16
Why do people “forget” Verdier abelianization functor?(Looking for application)
4
How is this action of monoidal derived category induced?
9
What is the relationship between t-structure and Torsion pair?
3
Tate Cohomology via Stable Categories
2
exactness in triangulated categories is reflected by hom-functor
1
Is projectiveness a Zariski-local property of modules? (Answered: Yes!)
4
What is an intuitive view of adjoints? (version 1: category theory)
1
What is the “right” definition of the free abelian group on a set?
3
Derived category with total cohomology finite dimensional: is there a better name for it?
1
When is a localization of a commutative ring finitely generated as an algebra?
7
Set theory for category theory beginners
1
Morita equivalence and moduli problems
3
When are GIT quotients projective?
1 2 3 next