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In this note, we present a general version of the concavity of the minimal $L^{2}$ integrals related to multiplier ideal sheaves.

复变函数 · 数学 2019-12-19 Qi'an Guan

In this article, we present a concavity property of the minimal $L^2$ integrals related to multiplier ideal sheaves with Lebesgue measurable gain. As applications, we give necessary conditions for our concavity degenerating to linearity,…

复变函数 · 数学 2022-11-02 Qi'an Guan , Zheng Yuan

In this article, we present a concavity property of the minimal $L^{2}$ integrals related to multiplier ideal sheaves with Lebesgue measurable gain on weakly pseudoconvex K\"ahler manifolds. As applications, we give a necessary condition…

复变函数 · 数学 2024-06-05 Qi'an Guan , Zhitong Mi , Zheng Yuan

In this article, we give some necessary conditions for the concavity property of minimal $L^2$ integrals degenerating to partial linearity, a charaterization for the concavity degenerating to partial linearity for open Riemann surfaces, and…

复变函数 · 数学 2024-05-07 Shijie Bao , Qi'an Guan , Zheng Yuan

In this article, we present a characterization of the concavity property of minimal $L^2$ integrals degenerating to linearity in the case of finite points on open Riemann surfaces. As an application, we give a characterization of the…

复变函数 · 数学 2025-05-02 Qi'an Guan , Zheng Yuan

In this article, we consider minimal $L^2$ integrals on the sublevel sets of plurisubharmonic functions on weakly pseudoconvex K\"ahler manifolds with Lebesgue measurable gain related to modules at boundary points of the sublevel sets, and…

复变函数 · 数学 2022-06-06 Qi'an Guan , Zhitong Mi , Zheng Yuan

In this article, we present characterizations of the concavity property of minimal $L^2$ integrals degenerating to linearity in the case of fibrations over open Riemann surfaces. As applications, we obtain characterizations of the holding…

复变函数 · 数学 2025-07-15 Shijie Bao , Qi'an Guan , Zheng Yuan

In this article, we consider a modified version of minimal $L^2$ integrals on sublevel sets of plurisubharmonic functions related to modules at boundary points, and obtain a concavity property of the modified version. As an application, we…

复变函数 · 数学 2022-06-06 Qi'an Guan , Zhitong Mi , Zheng Yuan

In this article, we present characterizations of the concavity property of minimal $L^2$ integrals degenerating to linearity in the case of fibrations over products of open Riemann surfaces. As applications, we obtain characterizations of…

复变函数 · 数学 2023-01-18 Shijie Bao , Qi'an Guan , Zheng Yuan

In this article, we consider the minimal $L^2$ integrals related to modules at boundary points on fibrations over open Riemann surfaces, and present a characterization for the concavity property of the minimal $L^2$ integrals degenerating…

复变函数 · 数学 2023-01-18 Qi'an Guan , Zhitong Mi , Zheng Yuan

In this article, we present characterizations of the concavity property of minimal $L^2$ integrals degenerating to linearity in the case of products of analytic subsets on products of open Riemann surfaces. As applications, we obtain…

复变函数 · 数学 2023-01-18 Qi'an Guan , Zheng Yuan

In this article, for singular hermitian metrics on holomorphic vector bundles, we consider minimal $L^2$ integrals on sublevel sets of plurisubharmonic functions on weakly pseudoconvex K\"ahler manifolds related to modules at boundary…

复变函数 · 数学 2022-06-22 Qi'an Guan , Zhitong Mi , Zheng Yuan

In this article, we first establish an $L^2$-type Dolbeault isomorphism for the sheaf of logarithmic differential forms twisted by the multiplier ideal sheaf. By using this isomorphism and $L^2$-estimates equipped with a singular Hermitian…

复变函数 · 数学 2022-11-21 Yuta Watanabe

This article discusses the geometric application of the method of multiplier ideal sheaves. It first briefly describes its application to effective problems in algebraic geometry and then presents and explains its application to the…

代数几何 · 数学 2015-06-26 Yum-Tong Siu

In this article, we obtain two sharp equality conditions in the restriction formula on complex singularity exponents: an equality between the codimension of the zero variety of related multiplier ideal sheaves and the relative codimension…

复变函数 · 数学 2015-10-27 Qi'an Guan

In this expository article we first give an overview on multiplier ideal sheaves and geometric problems in K\"ahlerian and Sasakian geometries. Then we review our recent results on the relationship between the support of the subschemes cut…

微分几何 · 数学 2009-10-21 Akito Futaki , Yuji Sano

We extend Nadel's results on some conditions for the multiplier ideal sheaves to satisfy which are described in terms of an obstruction defined by the first author. Applying our extension we can determine the multiplier ideal sheaves on…

微分几何 · 数学 2008-03-20 Akito Futaki , Yuji Sano

In this article, we present characterizations of the concavity property of minimal $L^2$ integrals with negligible weights degenerating to linearity on the fibrations over open Riemann surfaces and the fibrations over products of open…

复变函数 · 数学 2023-01-18 Shijie Bao , Qi'an Guan , Zhitong Mi , Zheng Yuan

The purpose of this survey is to present analytic versions of the injectivity theorem and their applications. The proof of our injectivity theorems is based on a combination of the L^2-method for the dbar-equation and the theory of harmonic…

复变函数 · 数学 2015-11-16 Shin-ichi Matsumura

The goal of this note is to present some recent results of our research concerning multiplier ideal sheaves on complex spaces and singularities of plurisubharmonic functions. We firstly introduce multiplier ideal sheaves on complex spaces…

复变函数 · 数学 2020-03-27 Zhenqian Li
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