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In the present paper, we prove that a lower bound on the $1$-weighted Ricci curvature is equivalent to a convexity of entropies on the Wasserstein space. Based on such characterization, we provide some interpolation inequalities such as the…

微分几何 · 数学 2020-06-16 Yohei Sakurai

In this paper, we study the connection between entropic optimal transport and entropy power inequality (EPI). First, we prove an HWI-type inequality making use of the infinitesimal displacement convexity of optimal transport map. Second, we…

信息论 · 计算机科学 2024-07-01 Shuchan Wang , Photios A. Stavrou , Mikael Skoglund

This paper is devoted to an extension of rigidity results for nonlinear differential equations, based on carr{\'e} du champ methods, in the one-dimensional periodic case. The main result is an interpolation inequality with non-trivial…

偏微分方程分析 · 数学 2019-02-05 Jean Dolbeault , Marta Garcia-Huidobro , Raul Manásevich

In this paper, we will prove several new inequalities of Hardy's types with explicit constants. The main results will be proved by making use of some generalizations of Opial's type inequalities and H\"older's inequality. To the best of the…

经典分析与常微分方程 · 数学 2011-12-21 S. H. Saker

This paper investigates the optimal transport problem within the framework of Linear Quadratic optimal control systems. We establish the well-posedness of the Monge problem and analyze the regularity of the resulting optimal transport map,…

最优化与控制 · 数学 2026-05-25 Luca Rizzi , Alec Jacopo Almo Schiavoni Piazza

In this article we prove that for a $C^{1+\alpha}$ diffeomorphism on a compact Riemannian manifold, if there is a hyperbolic ergodic measure whose support is not uniformly hyperbolic, then the topological entropy of the set of irregular…

动力系统 · 数学 2021-11-17 Xiaobo Hou , Xueting Tian

We present a simple proof of the entropy-power inequality using an optimal transportation argument which takes the form of a simple change of variables. The same argument yields a reverse inequality involving a conditional differential…

信息论 · 计算机科学 2017-03-07 Olivier Rioul

We prove embeddings and identities for real interpolation spaces between mixed Lorentz spaces. This partly relies on Minkowski's (reverse) integral inequality in Lorentz spaces $L^{p,r}(X)$ under optimal assumptions on the exponents…

泛函分析 · 数学 2023-03-15 Rainer Mandel

In the space of holomorphic functions in a convex domain it is studied the interpolation problem by means of sums of the series of exponentials converging uniformly on all compact sets of the domain. The discrete set of the interpolation…

复变函数 · 数学 2014-11-13 S. G. Merzlyakov , S. V. Popenov

We prove R\'enyi entropic inequalities in a holographic setup based on the recent proposal for the holographic formula of R\'enyi entropies when the bulk is stable against any perturbation. Regarding the R\'enyi parameter as an inverse…

高能物理 - 理论 · 物理学 2017-02-01 Yuki Nakaguchi , Tatsuma Nishioka

This paper is twofold. In the first part, we present a refinement of the R\'enyi Entropy Power Inequality (EPI) recently obtained in \cite{BM16}. The proof largely follows the approach in \cite{DCT91} of employing Young's convolution…

概率论 · 数学 2018-05-01 Jiange Li

In the paper, the planar polynomial geometric interpolation of data points is revisited. Simple sufficient geometric conditions that imply the existence of the interpolant are derived in general. They require data points to be convex in a…

数值分析 · 数学 2022-08-16 Jernej Kozak

Linear interpolation inequalities that combine Hardy's inequality with sharp Sobolev embedding are obtained using classical arguments of Hardy and Littlewood (Bliss lemma). Such results are equivalent to Caffarelli-Kohn-Nirenberg…

偏微分方程分析 · 数学 2009-07-24 William Beckner

We prove some interpolation inequalities which arise in the analysis of pattern formation in physics. They are the strong version of some already known estimates in weak form that are used to give a lower bound of the energy in many…

偏微分方程分析 · 数学 2015-09-04 Eleonora Cinti , Felix Otto

Quantities computed by minimal cuts, such as entanglement entropies achievable by the Ryu-Takayanagi proposal in the AdS/CFT correspondence, are constrained by linear inequalities. We prove a previously conjectured property of all such…

高能物理 - 理论 · 物理学 2026-02-10 Bartlomiej Czech , Yichen Feng , Xianlai Wu , Minjun Xie

We consider a family of Gagliardo-Nirenberg-Sobolev interpolation inequalities which interpolate between Sobolev's inequality and the logarithmic Sobolev inequality, with optimal constants. The difference of the two terms in the…

偏微分方程分析 · 数学 2012-07-12 Jean Dolbeault , Giuseppe Toscani

This paper is devoted to sharp interpolation inequalities on the sphere and their proof using flows. The method explains some rigidity results and proves uniqueness in related semilinear elliptic equations. Nonlinear flows allow to cover…

偏微分方程分析 · 数学 2015-10-27 Jean Dolbeault , Maria J. Esteban , Michael Loss

In this paper, we present recent stability results with explicit and dimensionally sharp constants and optimal norms for the Sobolev inequality and for the Gaussian logarithmic Sobolev inequality obtained by the authors in [24]. The…

偏微分方程分析 · 数学 2024-04-23 Jean Dolbeault , Maria J. Esteban , Alessio Figalli , Rupert Frank , Michael Loss

We extend an inequality for harmonic functions, obtained in previous research by the authors, to the case of solutions of uniformly elliptic equations in divergence form, with merely measurable coefficients. The inequality for harmonic…

偏微分方程分析 · 数学 2021-07-21 Rolando Magnanini , Giorgio Poggesi

We use the Morrey norm estimate for the imaginary power of the Laplacian to prove an interpolation inequality for the fractional power of the Laplacian on Morrey spaces. We then prove a Hardy-type inequality and use it together with the…

偏微分方程分析 · 数学 2021-05-13 Hendra Gunawan , Denny Ivanal Hakim , Eiichi Nakai , Yoshihiro Sawano