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Let $(u_j)$ be a deaceasing sequence of psh functions in the domain of definition $\cal D$ of the Monge-Amp\`ere operator on a domain $\Omega$ of $\mathbb{C}^n$ such that $u=\inf_j u_j$ is plurisubharmonic on $\Omega$. In this paper we are…

Complex Variables · Mathematics 2023-01-26 Mohamed El Kadiri

We will define the Monge-Amp\`ere operator on finite (weakly) plurifinely plurisubharmonic functions in plurifinely open sets in complex n-space and show that it defines a positive measure. Ingredients of the proof include a direct proof…

Complex Variables · Mathematics 2013-08-15 Mohamed El Kadiri , Jan Wiegerinck

We study the complex Monge-Amp\`ere operator in bounded hyperconvex domains of $\C^n$. We introduce a scale of classes of weakly singular plurisubharmonic functions : these are functions of finite weighted Monge-Amp\`ere energy. They…

Complex Variables · Mathematics 2008-02-25 S. Benelkourchi , V. Guedj , A. Zeriahi

We study continuity properties of generalized Monge-Amp\`ere operators for plurisubharmonic functions with analytic singularities. In particular, we prove continuity for a natural class of decreasing approximating sequences. We also prove a…

Complex Variables · Mathematics 2017-11-21 Mats Andersson , Zbigniew Błocki , Elizabeth Wulcan

In this note, we generalize the notion of entropy for potentials in a relative full Monge-Amp\`ere mass $\mathcal{E}(X, \theta, \phi)$, for a model potential $\phi$. We then investigate stability properties of this condition with respect to…

Complex Variables · Mathematics 2024-05-09 Eleonora Di Nezza , Stefano Trapani , Antonio Trusiani

We give a sufficient condition on the Monge-Amp\`ere mass of a plurisubharmonic function $u$ for $\exp (- 2 u)$ to be locally integrable. This gives a pluripotential theoretic proof of a theorem by J-P. Demailly.

Complex Variables · Mathematics 2008-05-21 P. Åhag , U. Cegrell , S. Kołodziej , H. H. Pham , A. Zeriahi

We study the complex Monge-Amp\` ere operator on compact K\"ahler manifolds. We give a complete description of its range on the set of $\omega-$plurisubharmonic functions with $L^2$ gradient and finite self energy, generalizing to this…

Complex Variables · Mathematics 2007-05-23 Vincent Guedj , Ahmed Zeriahi

Probability measures with either finite Monge-Amp\`ere energy or finite entropy have played a central role in recent developments in K\"ahler geometry. In this note we make a systematic study of quasi-plurisubharmonic potentials whose…

Complex Variables · Mathematics 2020-06-15 Eleonora Di Nezza , Vincent Guedj , Chinh H. Lu

We study degenerate complex Monge-Amp\`ere equations on a compact K\"ahler manifold $(X,\omega)$. We show that the complex Monge-Amp\`ere operator $(\omega + dd^c \cdot)^n$ is well-defined on the class ${\mathcal E}(X,\omega)$ of…

Complex Variables · Mathematics 2007-05-23 Vincent Guedj , Ahmed Zeriahi

Let $\Omega\subset \R^n$ be a bounded convex domain and $\phi\in C(\bar\Omega)$ be a convex function such that $\phi$ is sufficiently smooth on $\partial\Omega$ and the Monge--Amp\`ere measure $\det D^2\phi$ is bounded away from zero and…

Analysis of PDEs · Mathematics 2012-08-28 Cristian E. Gutiérrez , Truyen Nguyen

In this paper we are concerned with the problem of local and global subextensions of (quasi-)plurisubharmonic functions from a "regular" subdomain of a compact K\"ahler manifold. We prove that a precise bound on the complex Monge-Amp\`ere…

Complex Variables · Mathematics 2016-08-14 U. Cegrell , S. Kołodziej , A. Zeriahi

The aim of this paper is to study the Lelong number, the integrability index and the Monge-Amp\`ere mass at the origin of an $S^1$-invariant plurisubharmonic function on a balanced domain in $\mathbb{C}^n$ under the Schwarz symmetrization.…

Differential Geometry · Mathematics 2019-05-28 Long Li

Let $\phi: \Bbb R^n \mapsto \Bbb R$ be a strictly convex and smooth function, and $\mu= \text{det}\,D^2 \phi$ be the Monge-Amp\`ere measure generated by $\phi.$ For $x\in \Bbb R^n$ and $t>0$, let $S(x,t):=\{y\in \Bbb R^n:…

Functional Analysis · Mathematics 2018-03-09 Yongshen Han , Ming-Yi Lee , Chin-Cheng Lin

We study classes of convex functions on balanced polyhedral spaces and establish various structural properties, including a compactness theorem for polyhedrally plurisubharmonic functions. Using tropical intersection theory, we construct…

Algebraic Geometry · Mathematics 2026-03-10 Ana María Botero , Enrica Mazzon , Léonard Pille-Schneider

Let $u$ and $v$ be two plurisubharmonic functions in the domain of definition of the Monge-Amp\`ere operator on a domain $\Omega\subset {\bf C}^n$. We prove that if $u=v$ on a plurifinely open set $U\subset \Omega$ that is Borel measurable,…

Complex Variables · Mathematics 2022-08-03 Mohamed El Kadiri

The purpose of this article is to study the (residual) Monge-Amp\`{e}re mass of a plurisubharmonic function with an isolated unbounded locus. A general decomposition formula is obtained under the Sasakian structure of the unit sphere. In…

Complex Variables · Mathematics 2025-07-15 Weiyong He , Long Li , Xiaowei Xu

We give a sufficient condition on a sequence of uniformly bounded $\omega$-plurisubharmonic functions, $\omega$ being a Hermitian metric, for which the sequence of associated Monge-Amp\`ere measures converges weakly. This criterion can be…

Complex Variables · Mathematics 2022-12-23 Slawomir Kolodziej , Ngoc Cuong Nguyen

Let $w_0$ be a bounded, $C^3$, strictly plurisubharmonic function defined on $B_1\subset \mathbb{C}^n$. Then $w_0$ has a neighborhood in $L^{\infty}(B_1)$. Suppose that we have a function $\phi$ in this neighborhood with $1-\epsilon \le…

Complex Variables · Mathematics 2023-01-06 Yulun Xu

In this paper, we introduce a notion of singularity comparison for plurisubharmonic functions based on the Bedford--Taylor capacity. We establish comparison principles for the complex Monge--Amp\`ere operator on pluripolar sets in the…

Complex Variables · Mathematics 2026-04-22 Thai Duong Do , Hoang Hiep Pham

In this paper, we study the convergence in the capacity of sequence of plurisubharmonic functions. As an application, we prove stability results for solutions of the complex Monge-Amp\`ere equations.

Complex Variables · Mathematics 2016-03-14 Nguyen Xuan Hong , Nguyen Van Trao , Tran Van Thuy
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