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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…

Complex Variables · Mathematics 2022-06-06 Qi'an Guan , Zhitong Mi , 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…

Complex Variables · Mathematics 2022-06-22 Qi'an Guan , Zhitong Mi , Zheng Yuan

In this article, we solve the strong openness conjecture on the multiplier ideal sheaves for the plurisubharmonic functions posed by Demailly. We prove two conjectures about the growth of the volumes of the sublevel sets of plurisubharmonic…

Complex Variables · Mathematics 2014-01-29 Qi'an Guan , Xiangyu Zhou

In this article, stimulated by the effectiveness in Berndtsson's solution of the openness conjecture and continuing our solution of Demailly's strong openness conjecture, we discuss conditions to guarantee the effectiveness of the…

Complex Variables · Mathematics 2023-07-19 Qi'an Guan , Xiangyu Zhou

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…

Complex Variables · Mathematics 2023-01-18 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…

Complex Variables · Mathematics 2025-05-02 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. As applications, we give necessary conditions for our concavity degenerating to linearity,…

Complex Variables · Mathematics 2022-11-02 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…

Complex Variables · Mathematics 2022-06-06 Qi'an Guan , Zhitong Mi , Zheng Yuan

In this article, we consider Bergman kernels with respect to modules at boundary points, and obtain a log-subharmonicity property of the Bergman kernels, which deduces a concavity property related to the Bergman kernels. As applications, we…

Complex Variables · Mathematics 2022-09-20 Shijie Bao , Qi'an Guan

In this note, we reveal that our solution of Demailly's strong openness conjecture implies a matrix version of the conjecture; our solutions of two conjectures of Demailly-Koll\'{a}r and Jonsson-Mustat\u{a} implies the truth of twisted…

Complex Variables · Mathematics 2017-05-24 Qi'an Guan , Xiangyu Zhou

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…

Complex Variables · Mathematics 2024-06-05 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…

Complex Variables · Mathematics 2025-07-15 Shijie Bao , Qi'an Guan , 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…

Complex Variables · Mathematics 2023-01-18 Shijie Bao , Qi'an Guan , Zheng Yuan

The F-threshold $c^J(\a)$ of an ideal $\a$ with respect to the ideal $J$ is a positive characteristic invariant obtained by comparing the powers of $\a$ with the Frobenius powers of $J$. We show that under mild assumptions, we can detect…

Commutative Algebra · Mathematics 2007-11-26 Craig Huneke , Mircea Mustata , Shunsuke Takagi , Kei-ichi Watanabe

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…

Complex Variables · Mathematics 2023-01-18 Qi'an Guan , Zhitong Mi , Zheng Yuan

Let $(M,d)$ be a separable and complete geodesic space with curvature lower bounded, by $\kappa\in \mathbb R$, in the sense of Alexandrov. Let $\mu$ be a Borel probability measure on $M$, such that $\mu\in\mathcal P_2(M)$, and that has at…

Metric Geometry · Mathematics 2021-03-30 Quentin Paris

Let $\mu$ be a probability measure on $\mathbb{R}^n$ with a bounded density $f$. We prove that the marginals of $f$ on most subspaces are well-bounded. For product measures, studied recently by Rudelson and Vershynin, our results show there…

Probability · Mathematics 2015-08-06 Susanna Dann , Grigoris Paouris , Peter Pivovarov

A result of H. Steinhaus states that any positive Lebesgue measurable set has a property that its difference set contains an open interval around the origin. Y. V. Mospan proved that this result is the characterization of absolutely…

Functional Analysis · Mathematics 2015-11-19 Dang Anh Tuan

A classical result of Hensley provides a sharp lower bound for the functional $\int_\mathbb{R} t^2f$, where $f$ is a non-negative, even log-concave function. In the context of studying the minimal slabs of the unit cube, Barthe and…

Functional Analysis · Mathematics 2025-10-02 Andreas Malliaris , Francisco Marín Sola

Given any asymptotically flat 3-manifold $(M,g)$ with smooth, non-empty, compact boundary $\Sigma$, the conformal conjecture states that for every $\delta>0$, there exists a metric $g' = u^4 g$, with $u$ a harmonic function, such that the…

Differential Geometry · Mathematics 2025-06-18 Sameer Kumar
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