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We first investigate concentration and vanishing phenomena concerning Moser type inequalities in the whole plane which involve complete and reduced Sobolev norms. In particular we show that the critical Ruf inequality is equivalent to an…

Functional Analysis · Mathematics 2014-02-11 Daniele Cassani , Federica Sani , Cristina Tarsi

We prove analogs of the Bezout and the Bernstein-Kushnirenko-Khovanskii theorems for systems of algebraic differential conditions over differentially closed fields. Namely, given a system of algebraic conditions on the first $l$ derivatives…

Algebraic Geometry · Mathematics 2019-02-20 Gal Binyamini

In this paper, we prove the abundance conjecture for threefolds over a perfect field $k$ of characteristic $p > 3$ in the case of numerical dimension equals to $2$. More precisely, we prove that if $(X,B)$ be a projective lc threefold pair…

Algebraic Geometry · Mathematics 2026-04-20 Zheng Xu

Completions play an important r\^ole for studying structure by supplying elements that in some sense ``ought to be." Among these, the Dedekind-MacNeille completion is of particular importance. In 1968 Janowitz provided necessary and…

General Topology · Mathematics 2025-04-10 G. Bezhanishvili , F. Dashiell , M. A. Moshier , J. Walters-Wayland

We consider a measure of similarity for infinite words that generalizes the notion of asymptotic or natural density of subsets of natural numbers from number theory. We show that every overlap-free infinite binary word, other than the…

Formal Languages and Automata Theory · Computer Science 2014-05-23 Chen Fei Du , Jeffrey Shallit

We study weak quasi-plurisubharmonic solutions to the Dirichlet problem for the complex Monge-Am\`ere equation on a general Hermitian manifold with non-empty boundary. We prove optimal subsolution theorems: for bounded and H\"older…

Differential Geometry · Mathematics 2022-09-26 Slawomir Kolodziej , Ngoc Cuong Nguyen

In this paper, we prove a uniform estimate for the modulus of continuity of solutions to degenerate complex Monge--Amp\`ere equation in big cohomology classes. This improves the previous results of Di Nezza--Lu and of the first author.

Complex Variables · Mathematics 2025-04-23 Quang-Tuan Dang , Hoang-Son Do , Hoang Hiep Pham

In this paper we correct a gap of Whyburn type topological lemma and establish two superior limit theorems. As the applications of our Whyburn type topological theorems, we study the following Monge-Amp\`{e}re equation \begin{eqnarray}…

Functional Analysis · Mathematics 2014-06-26 Guowei Dai

Delaunay triangulations provide a bijection between a set of $N+3$ points in the complex plane, and the set of triangulations with given circumcircle intersection angles. The uniform Lebesgue measure on these angles translates into a…

Mathematical Physics · Physics 2018-10-22 Séverin Charbonnier , François David , Bertrand Eynard

Extending DiNezza-Lu's approach to the setting of big cohomology classes, we prove that solutions of degenerate complex Monge-Amp{\`e}re equations on compact K{\"a}hler manifolds are continuous on a Zariski open set. This allows us to show…

Differential Geometry · Mathematics 2021-09-16 Quang-Tuan Dang

We prove an improvement for the sharp Adams inequality in $W^{m,\frac nm}_0(\Omega)$ where $\Omega$ is a bounded domain in $\mathbb{R}^n$ inspired by Lions Concentration--Compactness principle for the sharp Moser--Trudinger inequality. Our…

Analysis of PDEs · Mathematics 2016-04-27 Van Hoang Nguyen

A notion of asymptotically conical K\"ahler orbifold is introduced, and, following previous existence results in the setting of asymptotically conical manifolds, it is shown that a certain complex Monge-Amp\'ere equation admits a rapidly…

Complex Variables · Mathematics 2022-02-18 Mitchell Faulk

In the previous author's paper the Macdonald norm conjecture (including the famous constant term conjecture) was proved. This paper contains the proof of the remaining two (the duality and evaluation conjectures). The evaluation theorem is…

q-alg · Mathematics 2009-10-28 Ivan Cherednik

We derive a formula for non-Archimedean Monge-Amp\`{e}re measures of big models. As applications, we derive a positive intersection formula for non-Archimedean Mabuchi functional, and further reduce the uniform Yau-Tian-Donaldson conjecture…

Algebraic Geometry · Mathematics 2021-02-19 Chi Li

We prove a conjecture proposed by Berman-Boucksom-Eyssidieux-Guedj-Zeriahi, affirming that the Demailly-Lelong number can be determined through a combination of intersection numbers given by the divisorial part of the potential and the SNC…

Complex Variables · Mathematics 2025-03-06 Chung-Ming Pan

We prove a priori estimates for a generalised Monge-Amp\`ere PDE with "non-constant coefficients" thus improving a result of Sun in the K\"ahler case. We apply this result to the deformed Hermitian Yang-Mills (dHYM) equation of Jacob-Yau to…

Differential Geometry · Mathematics 2018-03-02 Vamsi P. Pingali

This article develops a duality principle for a class of optimization problems in $\mathbb{R}^n$. The results are obtained based on standard tools of convex analysis and on a well known result of Toland for D.C. optimization. Global…

Optimization and Control · Mathematics 2019-04-02 Fabio Botelho

We study the relation between semipositivity, nefness, and bigness of line bundles on compact K\"ahler manifolds. Every nef and big line bundle on a compact K\"ahler manifold $X$ is positive when ${\rm dim}\,X = 1$. Kim constructed an…

Algebraic Geometry · Mathematics 2025-12-30 Yangyang Zhang

In this work, following the fundamental work of Boucksom we construct the nef cone of a compact complex manifold in higher codimension and give explicit examples where these cones are different. In the third section, we give two versions of…

Algebraic Geometry · Mathematics 2022-04-29 Xiaojun Wu

Let $X$ be a normal projective variety over a complete discretely valued field and $L$ a line bundle on $X$. We denote by $X^\textrm{an}$ the analytification of $X$ in the sense of Berkovich and equip the analytification $L^\textrm{an}$ of…

Algebraic Geometry · Mathematics 2019-03-12 José Ignacio Burgos Gil , Walter Gubler , Philipp Jell , Klaus Künnemann , Florent Martin