English

Nakai-Moishezon criterions for complex Hessian equations

Differential Geometry 2020-12-16 v1 Algebraic Geometry Analysis of PDEs

Abstract

The JJ-equation proposed by Donaldson is a complex Hessian quotient equation on K\"ahler manifolds. The solvability of the JJ-equation is proved by Song-Weinkove to be equivalent to the existence of a subsolution. It is also conjectured by Lejmi-Szekelyhidi to be equivalent to a stability condition in terms of holomorphic intersection numbers as an analogue of the Nakai-Moishezon criterion in algebraic geometry. The conjecture is recently proved by Chen under a stronger uniform stability condition. In this paper, we establish a Nakai-Moishezon type criterion for pairs of K\"ahler classes on analytic K\"ahler varieties. As a consequence, we prove Lejmi-Szekelyhidi's original conjecture for the JJ-equation. We also apply such a criterion to obtain a family of constant scalar curvature K\"ahler metrics on smooth minimal models.

Cite

@article{arxiv.2012.07956,
  title  = {Nakai-Moishezon criterions for complex Hessian equations},
  author = {Jian Song},
  journal= {arXiv preprint arXiv:2012.07956},
  year   = {2020}
}
R2 v1 2026-06-23T20:58:18.271Z