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In the spirit of Kobayashi's applications of methods of invariant metrics to questions of projective geometry, we introduce a projective analogue of the complex squeezing function. Using Frankel's work, we prove that for convex domains it…

Complex Variables · Mathematics 2021-01-29 Nikolai Nikolov , Pascal J. Thomas

Wedge product on deRham complex of a Riemannian manifold $M$ can be pulled back to $H^*(M)$ via explicit homotopy, constructed using Green's operator, to give higher product structures. We prove Fukaya's conjecture which suggests that…

Differential Geometry · Mathematics 2020-05-18 Kaileung Chan , Naichung Conan Leung , Ziming Nikolas Ma

To every log-concave function $f$ one may associate a pair of measures $(\mu_{f},\nu_{f})$ which are the surface area measures of $f$. These are a functional extension of the classical surface area measure of a convex body, and measure how…

Metric Geometry · Mathematics 2025-02-25 Tomer Falah , Liran Rotem

We use Iwasawa theory, at a prime $p$ inert in a quadratic imaginary field $K$, to study the arithmetic properties of mock plectic invariants for elliptic curves of rank two. More precisely, under some minor technical assumptions, we prove…

Number Theory · Mathematics 2024-12-03 Michele Fornea , Lennart Gehrmann

We obtain the off-diagonal Muckenhoupt-Wheeden conjecture for Calder\'on-Zygmund operators. Namely, given $1<p<q<\infty$ and a pair of weights $(u,v)$, if the Hardy-Littlewood maximal function satisfies the following two weight…

Classical Analysis and ODEs · Mathematics 2018-10-10 David Cruz-Uribe , José María Martell , Carlos Pérez

The tower Weak Gravity Conjecture predicts infinitely many super-extremal states along every ray in the charge lattice of a consistent quantum gravity theory. We show this far-reaching claim in five-dimensional compactifications of M-theory…

High Energy Physics - Theory · Physics 2023-08-15 Cesar Fierro Cota , Alessandro Mininno , Timo Weigand , Max Wiesner

In this article, we present characterizations of the concavity property of minimal $L^2$ integrals degenerating to linearity in the case of fibrations over products of open Riemann surfaces. As applications, we obtain characterizations of…

Complex Variables · Mathematics 2023-01-18 Shijie Bao , Qi'an Guan , Zheng Yuan

Let $\mathsf M$ and $\mathsf M _{\mathsf S}$ respectively denote the Hardy-Littlewood maximal operator with respect to cubes and the strong maximal operator on $\mathbb{R}^n$, and let $w$ be a nonnegative locally integrable function on…

Classical Analysis and ODEs · Mathematics 2018-01-23 Paul A. Hagelstein , Ioannis Parissis

The \emph{flat deformation theorem} states that given a semi-Riemannian analytic metric $g$ on a manifold, locally there always exists a two-form $F$, a scalar function $c$, and an arbitrarily prescribed scalar constraint depending on the…

General Relativity and Quantum Cosmology · Physics 2009-02-20 Josep Llosa , Jaume Carot

We prove that on a compact Sasakian manifold $(M, \eta, g)$ of dimension $2n+1$, for any $0 \le p \le n$ the wedge product with $\eta \wedge (d\eta)^p$ defines an isomorphism between the spaces of harmonic forms $\Omega^{n-p}_\Delta (M)$…

Differential Geometry · Mathematics 2015-06-16 Beniamino Cappelletti Montano , Antonio De Nicola , Ivan Yudin

We study the convergence rate of Sinkhorn's algorithm for solving entropy-regularized optimal transport problems when at least one of the probability measures, $\mu$, admits a density over $\mathbb{R}^d$. For a semi-concave cost function…

Optimization and Control · Mathematics 2025-07-21 Lénaïc Chizat , Alex Delalande , Tomas Vaškevičius

Let $S_{\alpha}$ be the multilinear square function defined on the cone with aperture $\alpha \geq 1$. In this paper, we investigate several kinds of weighted norm inequalities for $S_{\alpha}$. We first obtain a sharp weighted estimate in…

Functional Analysis · Mathematics 2020-10-26 Mingming Cao , Mahdi Hormozi , Gonzalo Ibañez-Firnkorn , Israel P. Rivera-Ríos , Zengyan Si , Kôzô Yabuta

This paper provides a complete proof of Simon-Lukic conjecture for orthogonal polynomials on the unit circle. For a probability measure $d\mu = w(\theta) \frac{d\theta}{2\pi} + d\mu_s$ with Verblunsky coefficients…

Spectral Theory · Mathematics 2026-01-27 Daxiong Piao

We prove an extension of Basmajian's identity to $n$-Hitchin representations of compact bordered surfaces. For $n=3$, we show that this identity has a geometric interpretation for convex real projective structures analogous to Basmajian's…

Geometric Topology · Mathematics 2024-03-11 Nicholas G. Vlamis , Andrew Yarmola

Let M be a compact, connected symplectic 2n-dimensional manifold on which an(n-2)-dimensional torus T acts effectively and Hamiltonianly. Under the assumption that there is an effective complementary 2-torus acting on M with symplectic…

Symplectic Geometry · Mathematics 2012-07-06 Yi Lin , Álvaro Pelayo

For elliptic curves over rationals, there are a well-known conjecture of Sato-Tate and a new computational guided murmuration phenomenon, for which the abelian Hasse-Weil zeta functions are used. In this paper, we show that both the…

Number Theory · Mathematics 2024-10-08 Zhan Shi , Lin Weng

The Gauss-Minkowski correspondence in $\mathbb{R}^2$ states the existence of a homeomorphism between the probability measures $\mu$ on $[0,2\pi]$ such that $\int_0^{2\pi} e^{ix}d\mu(x)=0$ and the compact convex sets (CCS) of the plane with…

Probability · Mathematics 2014-04-03 Jean-François Marckert , David Renault

If S is a smooth compact surface in $\mathbb{R}^{3}$ with strictly positive second fundamental form, and $E_S$ is the corresponding extension operator, then we prove that for all $p > 3$, $\left\|E_S f\right\|_{L^p\left(\mathbb{R}^3\right)}…

Classical Analysis and ODEs · Mathematics 2023-04-05 Hoyoung Song

A result of Bleher, Chinburg, Greenberg, Kakde, Pappas, Sharifi and Taylor has initiated the topic of higher codimension Iwasawa theory. As a generalization of the classical Iwasawa main conjecture, they prove a relationship between…

Number Theory · Mathematics 2019-04-02 Antonio Lei , Bharathwaj Palvannan

For $f$ convex and increasing, we prove the inequality $ \int f(|U'|) \geq \int f(nT')$, every time that $U$ is a Sobolev function of one variable and $T$ is the non-decreasing map defined on the same interval with the same image measure as…

Analysis of PDEs · Mathematics 2016-12-30 Jean Louet , Filippo Santambrogio