On the quasi-monomiality of the $α$- and $δ$-invariants

Fuente: arXiv
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Main Authors: Kim, Donghyeon, Lee, Dae-Won
Format: Preprint
Published: 2026
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author Kim, Donghyeon
Lee, Dae-Won
author_facet Kim, Donghyeon
Lee, Dae-Won
contents In this paper, we show that for any projective klt pair $(X,Δ)$ over an algebraically closed field of characteristic \(0\) and any big $\mathbb{Q}$-Cartier $\mathbb{Q}$-divisor $L$ on $X$, the invariants $α(X,Δ,L)$ and $δ(X,Δ,L)$ are computed by quasi-monomial valuations, without any uncountability assumption on the base field.
format Preprint
id arxiv_https___arxiv_org_abs_2604_18465
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle On the quasi-monomiality of the $α$- and $δ$-invariants
Kim, Donghyeon
Lee, Dae-Won
Algebraic Geometry
14E05, 14E30
In this paper, we show that for any projective klt pair $(X,Δ)$ over an algebraically closed field of characteristic \(0\) and any big $\mathbb{Q}$-Cartier $\mathbb{Q}$-divisor $L$ on $X$, the invariants $α(X,Δ,L)$ and $δ(X,Δ,L)$ are computed by quasi-monomial valuations, without any uncountability assumption on the base field.
title On the quasi-monomiality of the $α$- and $δ$-invariants
topic Algebraic Geometry
14E05, 14E30
url https://arxiv.org/abs/2604.18465