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Given a compact orientable surface with finitely many punctures $\Sigma$, let $\Cal S(\Sigma)$ be the set of isotopy classes of essential unoriented simple closed curves in $\Sigma$. We determine a complete set of relations for a function…

几何拓扑 · 数学 2007-05-23 Feng Luo

In this paper, we first show that a union of upper-level sets associated to fibrewise Lelong numbers of plurisubharmonic functions is in general a pluripolar subset. Then we obtain analyticity theorems for a union of sub-level sets…

复变函数 · 数学 2024-05-14 Bojie He

We characterise in this work the $q$-plurisubharmonic functions in terms of the theory of viscosity solutions. We show that an upper semicontinuous function is $q$-plurisubharmonic if and only if its complex Hessian has at most $q$ strictly…

复变函数 · 数学 2018-10-25 Thomas Pawlaschyk , Eduardo S. Zeron

This study examines geodesics and plurisubharmonic envelopes within the Cegrell classes on bounded hyperconvex domains in $\mathbb{C}^n$. We establish that solutions possessing comparable singularities to the complex Monge-Amp\`ere equation…

复变函数 · 数学 2024-05-08 Per Åhag , Rafał Czyż , Chinh H. Lu , Alexander Rashkovskii

Let $T$ be a positive closed current of unit mass on the complex projective space $\mathbb P^n$. For certain values $\alpha<1$, we prove geometric properties of the set of points in $\mathbb P^n$ where the Lelong number of $T$ exceeds…

复变函数 · 数学 2013-05-07 Dan Coman , Tuyen Trung Truong

We study the problem of approximating plurisubharmonic functions on a bounded domain $\Omega$ by continuous plurisubharmonic functions defined on neighborhoods of $\bar\Omega$. It turns out that this problem can be linked to the problem of…

复变函数 · 数学 2012-11-07 Lisa Hed , Håkan Persson

The purpose of this article is to study the strict convexity of the Mabuchi functional along a $C^{1,1}$-geodesic, with the aid of the $\epsilon$-geodesics. We proved the $L^2$-convergence of the fiberwise volume element of the…

微分几何 · 数学 2022-08-30 Long Li

Let $\pi:\mc{X}\to \mc{T}$ be Teichm\"uller curve over Teichm\"uller space $\mc{T}$, such that the fiber $\mc{X}_z=\pi^{-1}(z)$ is exactly the Riemann surface given by the complex structure $z\in \mc{T}$. For a fixed Riemannian manifold $M$…

微分几何 · 数学 2018-09-05 Inkang Kim , Xueyuan Wan , Genkai Zhang

In this paper we introduce, via a Phragmen-Lindel\"of type theorem, a maximal plurisubharmonic function in a strongly pseudoconvex domain. We call such a function the {\sl pluricomplex Poisson kernel} because it shares many properties with…

复变函数 · 数学 2020-12-02 Filippo Bracci , Alberto Saracco , Stefano Trapani

We prove that arbitrary superharmonic functions and superparabolic functions related to the $p$-Laplace and the $p$-parabolic equations are locally obtained as limits of supersolutions with desired convergence properties of the…

偏微分方程分析 · 数学 2012-08-15 Juha Kinnunen , Teemu Lukkari , Mikko Parviainen

We prove that a relatively compact pseudoconvex domain with smooth boundary in an almost complex manifold admits a bounded strictly plurisubharmonic exhaustion function. We use this result for the study of convexity and hyperbolicity…

复变函数 · 数学 2007-05-23 Klas Diederich , Alexandre Sukhov

Let $G$ be a nonempty bounded domain in a finite-dimensional Euclidean space. The main results are general estimates from below at points from $G$ for an arbitrary subharmonic function $u\not\equiv -\infty$ on the closure of the domain $G$…

复变函数 · 数学 2021-10-26 B. N. Khabibullin , E. U. Taipova

We study closed geodesics on hyperbolic surfaces, and give bounds for their angles of intersection and self-intersection, and for the sides of the polygons that they form, depending only on the lengths of the geodesics

几何拓扑 · 数学 2019-05-28 Max Neumann-Coto , Peter Scott

We present some results dealing with the local geometry of almost complex manifolds. We establish mainly the complete hyperbolicity of strictly pseudoconvex domains, the extension of plurisubharmonic functions through generic submanifolds…

复变函数 · 数学 2007-05-23 Bernard Coupet , Herve Gaussier , Alexandre Sukhov

The main objective of this paper is to prove a new inequality for plurisubharmonic functions estimating their supremum over a ball by their supremum over a measurable subset of the ball. We apply this result to study local properties of…

复变函数 · 数学 2016-09-07 Alexander Brudnyi

First we extend the theory of subharmonic functions on smooth strictly $k$-analytic curves from Thuillier's thesis to the case of possibly singular analytic curves over a non-archimedean field. Classically psh functions are then defined as…

代数几何 · 数学 2025-09-18 Walter Gubler , Joseph Rabinoff

A weak and a strong concept of plurifinely plurisubharmonic and plurifinely holomorphic functions are introduced. Strong will imply weak. The weak concept is studied further. A function f is weakly plurifinely plurisubharmonic if and only…

复变函数 · 数学 2010-11-22 Mohamed El Kadiri , Bent Fuglede , Jan Wiegerinck

We study the connection between the $p$--Talagrand inequality and the $q$--logarithmic Sololev inequality for conjugate exponents $p\geq 2$, $q\leq 2$ in proper geodesic metric spaces. By means of a general Hamilton--Jacobi semigroup we…

泛函分析 · 数学 2009-06-03 Zoltan Balogh , Alexandre Engoulatov , Lars Hunziker , Outi Elina Maasalo

Existence and uniqueness of complex geodesics joining two points of a convex bounded domain in a Banach space $X$ are considered. Existence is proved for the unit ball of $X$ under the assumption that $X$ is 1-complemented in its double…

泛函分析 · 数学 2009-07-08 Sean Dineen , Richard M. Timoney

We construct a strictly pseudoconvex domain with smooth boundary whose squeezing function is not plurisubharmonic.

复变函数 · 数学 2016-04-28 John Erik Fornæss , Nikolay Shcherbina