Skip to main content

All Questions

Filter by
Sorted by
Tagged with
1 vote
0 answers
129 views

Is $K_0(\mathrm{Vect}(X))\to K_0'(X)$ injective for a proper variety $X$?

Let $X$ be an integral scheme, proper over an algebraically closed field $k$. Let $\mathrm{Vect}(X)$ be the exact category of finite locally free $O_X$-modules. Let $K_0(\mathrm{Vect}(X))$ be its ...
Doug Liu's user avatar
  • 615
2 votes
0 answers
162 views

Equivariant Künneth formula for partial flag variety

Let $G$ be a simply connected simple algebraic group over $\mathbb{C}$. Let $P$ be a parabolic subgroup of $G$, $\mathscr{F}:=G/P$ the partial flag variety associated to $P$. For a $G$-variety $X$, ...
fool rabbit's user avatar
1 vote
0 answers
204 views

Fundamental group of the Grothendieck ring scheme

Let $K_0(V_k)$ be the Grothendieck ring of $k$-varieties with $k$ a field. Let S$_k$ be its affine scheme. Is this a connected scheme for any field ? (I understand that this could be a very naive ...
THC's user avatar
  • 4,547
4 votes
0 answers
151 views

Grothendieck group of limit of categories

I am in the following situation. I have a stable presentable $\infty$-category $\cal{C}$, and a sequence of full stable subcategories $\dots\subset\cal{C}_{-2}\subset\cal{C}_{-1}\subset\cal{C}_0\...
user110215's user avatar
6 votes
0 answers
427 views

Higher K-theory of Orlik-Solomon algebras (and possible generalizations?)

This topic of this question is a bit outside my comfort zone, and I should say that my end goal is to really understand how much "graph theory" is captured by contraction-deletion relations. ...
Gjergji Zaimi's user avatar