Hilbert-Chow morphism for non commutative Hilbert schemes and moduli spaces of linear representations
| dc.creator | Galluzzi, Federica | |
| dc.creator | Vaccarino, Francesco | |
| dc.date | 2008-08-27 | |
| dc.date.accessioned | 2026-07-07T09:58:43Z | |
| dc.date.available | 2026-07-07T09:58:43Z | |
| dc.description | Let $k$ be a commutative ring and let $R$ be a commutative $k-$algebra. The aim of this paper is to define and discuss some connection morphisms between schemes associated to the representation theory of a (non necessarily commutative) $R-$algebra $A. $ We focus on the scheme $\ran//\GL_n$ of the $n-$dimensional representations of $A, $ on the Hilbert scheme $\Hilb_A^n$ parameterizing the left ideals of codimension $n$ of $A$ and on the affine scheme Spec $Γ_R^n(A)^{ab} $ of the abelianization of the divided powers of order $n$ over $A. $ We give a generalization of the Grothendieck-Deligne norm map from $\Hilb_A^n$ to Spec $Γ_R^n(A)^{ab} $ which specializes to the Hilbert Chow morphism on the geometric points when $A$ is commutative and $k$ is an algebraically closed field. Describing the Hilbert scheme as the base of a principal bundle we shall factor this map through the moduli space $\ran//\GL_n$ giving a nice description of this Hilbert-Chow morphism, and consequently proving that it is projective. | |
| dc.description | 18 pages | |
| dc.identifier | https://arxiv.org/abs/0808.3753 | |
| dc.identifier | http://arxiv.org/abs/0808.3753 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/167818 | |
| dc.subject | Algebraic Geometry | |
| dc.subject | Representation Theory | |
| dc.subject | 14A15; 14C05; 16G99 | |
| dc.title | Hilbert-Chow morphism for non commutative Hilbert schemes and moduli spaces of linear representations | |
| dc.type | text |