Stabilization of Kac polynomials along root strings

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1. Verfasser: Zveryk, Vladyslav
Format: Preprint
Veröffentlicht: 2025
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author Zveryk, Vladyslav
author_facet Zveryk, Vladyslav
contents We study the stabilization behavior of cohomology groups associated with moduli spaces of quiver representations for a fixed quiver $Q$. Under mild conditions on a dimension vector $δ$, we show that the dimensions of these cohomology groups stabilize when a sufficiently large multiple of $δ$ is added. We derive explicit formulas for the stabilized dimensions and, in particular, obtain stabilization of the coefficients of Kac polynomials.
format Preprint
id arxiv_https___arxiv_org_abs_2505_05439
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Stabilization of Kac polynomials along root strings
Zveryk, Vladyslav
Representation Theory
Algebraic Geometry
We study the stabilization behavior of cohomology groups associated with moduli spaces of quiver representations for a fixed quiver $Q$. Under mild conditions on a dimension vector $δ$, we show that the dimensions of these cohomology groups stabilize when a sufficiently large multiple of $δ$ is added. We derive explicit formulas for the stabilized dimensions and, in particular, obtain stabilization of the coefficients of Kac polynomials.
title Stabilization of Kac polynomials along root strings
topic Representation Theory
Algebraic Geometry
url https://arxiv.org/abs/2505.05439