$\mathbb{G}$-uniform weighted K-stability for models on klt varieties

Jiyuan Han; Yaxiong Liu

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arXiv · 2506.18039

$\mathbb{G}$-uniform weighted K-stability for models on klt varieties

Jiyuan Han·Yaxiong Liu

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Abstract

In this paper, we make a generalization of the results in \cite{Li22a} to the singular and weighted setting. In particular, we show that on a polarized projective klt variety, the $\mathbb{G}$-uniform weighted K-stability for models implies the $\mathbb{G}$-coercivity of the weighted Mabuchi functional. In the toric case, we further show that the $(\mathbb{C}^{\times})^n$-uniform $(\mathrm{v},\mathrm{w}\cdot\ell_{\mathrm{ext}})$-weighted K-stability is preserved when perturbing the polarization on the resolution, which implies the existence of the weighted extremal metric(s) on the resolution if the weight function $\mathrm{v}$ is log-concave.

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BibTeX RIS

Jiyuan Han, Yaxiong Liu. 2025-06-22. $\mathbb{G}$-uniform weighted K-stability for models on klt varieties. https://arxiv.org/abs/2506.18039

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