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We characterize the global maximizers of a certain non-local functional defined on the space of all positively curved metrics on an ample line bundle L over a Kahler manifold X. This functional is an adjoint version, introduced by…

微分几何 · 数学 2010-06-16 Robert J. Berman

In this paper we show a new inequality which generalizes to the unit sphere the Lebedev-Milin inequality of the exponentiation of functions on the unit circle. It may also be regarded as the counterpart on the sphere of the second…

偏微分方程分析 · 数学 2021-09-29 Sun-Yung Alice Chang , Changfeng Gui

We prove that the existence of a Kahler-Einstein metric on a Fano manifold is equivalent to the properness of the energy functionals defined by Bando, Chen, Ding, Mabuchi and Tian on the set of Kahler metrics with positive Ricci curvature.…

微分几何 · 数学 2009-01-12 Yanir A. Rubinstein

We derive sharp Adams inequalities for the Riesz and other potentials of functions with arbitrary compact support in R^n. Up to now such results were only known for a class of functions whose supports have uniformly bounded measure. We…

偏微分方程分析 · 数学 2015-07-17 Luigi Fontana , Carlo Morpurgo

We study functional and spectral properties of perturbations of the magnetic Laplace operator on the circle. This operator appears when considering the restriction to the unit circle of a two-dimensional Schr{\"o}dinger operator with the…

偏微分方程分析 · 数学 2018-06-13 Jean Dolbeault , Maria Esteban , Ari Laptev , Michael Loss

This paper is devoted to the Moser-Trudinger-Onofri inequality on smooth compact connected Riemannian manifolds. We establish a rigidity result for the Euler-Lagrange equation and deduce an estimate of the optimal constant in the inequality…

偏微分方程分析 · 数学 2016-06-13 Jean Dolbeault , Maria J. Esteban , Gaspard Jankowiak

We derive a sharp Moser-Trudinger inequality for the borderline Sobolev imbedding of W^{2,n/2}(B_n) into the exponential class, where B_n is the unit ball of R^n. The corresponding sharp results for the spaces W_0^{d,n/d}(\Omega) are well…

泛函分析 · 数学 2011-02-10 Luigi Fontana , Carlo Morpurgo

A classical result of Aubin states that the constant in Moser-Trudinger-Onofri inequality on $\mathbb{S}^{2}$ can be imporved for furnctions with zero first order moments of the area element. We generalize it to higher order moments case.…

微分几何 · 数学 2020-06-29 Sun-Yung A. Chang , Fengbo Hang

We determine sharp bounds on some Hankel determinants involving initial coefficients, inverse coefficients, and logarithmic inverse coefficients for two subclasses of Sakaguchi functions which are associated with the right half of the…

复变函数 · 数学 2023-08-23 Sushil Kumar , Rakesh Kumar Pandey , Pratima Rai

We prove certain $L^p$ Sobolev-type inequalities for twisted differential forms on real (and complex) manifolds for the Laplace operator $\Delta$, the differential operators $d$ and $d^*$, and the operator $\bar\partial$. A key tool to get…

偏微分方程分析 · 数学 2025-01-13 Fusheng Deng , Gang Huang , Xiangsen Qin

This is the final part of a series of papers where we study perturbations of divergence form second order elliptic operators $-\operatorname{div} A \nabla$ by first and zero order terms, whose complex coefficients lie in critical spaces,…

偏微分方程分析 · 数学 2023-02-07 Simon Bortz , Steve Hofmann , José Luis Luna Garcia , Svitlana Mayboroda , Bruno Poggi

The present survey is devoted to results on Trudinger-Moser inequalities in two dimension. We give a brief overview of the history of these celebrated inequalities and, starting from the geometric problem that motivated Moser's original…

偏微分方程分析 · 数学 2024-05-06 Natalino Borgia , Silvia Cingolani , Gabriele Mancini

Based on the three-ball inequality and the doubling inequality established in [23], we quantify the strong unique continuation established by Koch and Tataru [21] for elliptic operators with unbounded lower-order coefficients. We also…

偏微分方程分析 · 数学 2025-03-27 Mourad Choulli

We establish sharp inequalities for two-dimensional systolic invariants of metrics with positive scalar curvature: the $2$-systole and the spherical $2$-systole of compact K\"ahler manifolds, and the stable $2$-systole of Riemannian metrics…

微分几何 · 数学 2026-05-20 Raphael Tsiamis

We establish the Trudinger-Moser inequality on weighted Sobolev spaces in the whole space, and for a class of quasilinear elliptic operators in radial form of the type $\displaystyle Lu:=-r^{-\theta}(r^{\alpha}\vert…

偏微分方程分析 · 数学 2018-10-31 Emerson Abreu , Leandro G. Fernandes

We derive the sharp Moser-Trudinger-Onofri inequalities on the standard $n$-sphere and CR $(2n+1)$- sphere as the limit of the sharp fractional Sobolev inequalities for all $n\ge 1$. On the $2$-sphere and $4$-sphere, this was established…

偏微分方程分析 · 数学 2018-09-17 Jingang Xiong

For metric measure spaces verifying the reduced curvature-dimension condition $CD^*(K,N)$ we prove a series of sharp functional inequalities under the additional assumption of essentially non-branching. Examples of spaces entering this…

度量几何 · 数学 2019-05-08 Fabio Cavalletti , Andrea Mondino

A sharp lower bound for the first Dirichlet eigenvalue of the $p$-laplacian in Gaussian space is derived for sets with prescribed generalized torsional rigidity. The result provides an extension of the classical spectral inequality due to…

偏微分方程分析 · 数学 2026-03-31 Francesco Chiacchio , Vincenzo Ferone , Anna Mercaldo , Jing Wang

We give some remarks on twisted determinant line bundles and Chern-Simons topological invariants associated with real hyperbolic manifolds. Index of a twisted Dirac operator is derived. We discuss briefly application of obtained results in…

高能物理 - 理论 · 物理学 2009-11-07 A. A. Bytsenko , M. C. Falleiros , A. E. Goncalves , Z. G. Kuznetsova

We prove that Toeplitz operators associated with a Bernstein-Markov measure on a compact complex manifold endowed with a big line bundle form an algebra under composition. As an application, we derive a Szeg\H{o}-type spectral…

复变函数 · 数学 2025-06-03 Siarhei Finski
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