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In this short paper we generalize the classical inequality between the norms in Lebesgue spaces of the functions and its derivatives, which in the multidimensional case are called Sobolev's inequalities, on the many popular classes pairs of…

Functional Analysis · Mathematics 2010-02-01 E. Ostrovsky , E. Rogover , L. Sirota

We observe some higher order Poincare-type inequalities on a closed manifold, which is inspired by Hurwitz's proof of the Wirtinger's inequality using Fourier theory. We then give some geometric implication of these inequalities by applying…

Differential Geometry · Mathematics 2021-03-22 Kwok-Kun Kwong

Using the general theory of [10] ( hep-th 9412058 ), quantum Poincar\'e groups (without dilatations) are described and investigated. The description contains a set of numerical parameters which satisfy certain polynomial equations. For most…

High Energy Physics - Theory · Physics 2011-07-18 P. Podles , S. L. Woronowicz

We establish Sobolev type inequalities in the noncommutative settings by generalizing monotone metrics in the space of quantum states, such as matrix-valued Beckner inequalities. We also discuss examples such as random transpositions and…

Differential Geometry · Mathematics 2020-08-24 Haojian Li

We prove Poincar\'e and Sobolev inequalities in matrix A${}_p$ weighted spaces. We then use these Poincar\'e inequalities to prove existence and regularity results for degenerate systems of elliptic equations whose degeneracy is governed by…

Analysis of PDEs · Mathematics 2019-09-17 Joshua Isralowitz , Kabe Moen

An intrinsic description of the Hamilton-Cartan formalism for first-order Berezinian variational problems determined by a submersion of supermanifolds is given. This is achieved by studying the associated higher-order graded variational…

Mathematical Physics · Physics 2018-05-29 Juan Monterde , Jaime Muñoz-Masqué , José Antonio Vallejo

Let $W^1L^{p,q}(\mathbb H^n)$, $1\leq q,p < \infty$ denote the Lorentz-Sobolev spaces of order one in the hyperbolic spaces $\mathbb H^n$. Our aim in this paper is three-fold. First of all, we establish a sharp Poincar\'e inequality in…

Functional Analysis · Mathematics 2020-01-14 Van Hoang Nguyen

We prove fractional Leibniz rules and related commutator estimates in the settings of weighted and variable Lebesgue spaces. Our main tools are uniform weighted estimates for sequences of square-function-type operators and a bilinear…

Analysis of PDEs · Mathematics 2016-05-24 David Cruz-Uribe , Virginia Naibo

We introduce a large class of Sobolev bi-orthogonal polynomial sequences arising from a $LU$-factorizable moment matrix and associated with a suitable measure matrix that characterizes the Sobolev bilinear form. A theory of deformations of…

Classical Analysis and ODEs · Mathematics 2016-12-22 Gerardo Ariznabarreta , Manuel Mañas , Piergiulio Tempesta

The aim of this paper is to provide Markov-type inequalities in the setting of weighted Sobolev spaces when the considered weights are generalized classical weights. Also, as results of independent interest, some basic facts about Sobolev…

Classical Analysis and ODEs · Mathematics 2015-01-27 Francisco Marcellán , Yamilet Quintana , José M. Rodríguez

In the setting of Carnot groups, we prove the $q-$Logarithmic Sobolev inequality for probability measures as a function of the Carnot-Carath\'eodory distance. As an application, we use the Hamilton-Jacobi equation in the setting of Carnot…

Functional Analysis · Mathematics 2022-11-01 Esther Bou Dagher

We study in this article the Improved Sobolev inequalities with Muckenhoupt weights within the framework of stratified Lie groups. This family of inequalities estimate the Lq norm of a function by the geometric mean of two norms…

Functional Analysis · Mathematics 2010-07-26 Diego Chamorro

This paper proves existence of optimizers of the Stein-Weiss inequalities on Carnot groups under some conditions. The adjustment of Lions' concentration compactness principles to Carnot groups plays an important role in our proof. Unlike…

Functional Analysis · Mathematics 2014-03-03 Tingxi Hu , Pengcheng Niu

A higher order Painleve system of type D^{(1)}_{2n+2} was introduced by Y. Sasano. It is an extension of the sixth Painleve equation for the affine Weyl group symmetry. It is also expressed as a Hamiltonian system of order 2n with a coupled…

Mathematical Physics · Physics 2007-05-23 Kenta Fuji , Takao Suzuki

Necessary and sufficient conditions are offered for Sobolev type spaces built on rearrangement-invariant spaces to be continuously embedded into (generalized) Campanato and Morrey spaces on open subsets of the $n$-dimensional Euclidean…

Functional Analysis · Mathematics 2024-04-16 Paola Cavaliere , Andrea Cianchi , Luboš Pick , Lenka Slavíková

We establish a Wiener-type integral condition for first-order Sobolev functions defined on a complete, doubling metric measure space supporting a Poincar\'e inequality. It is stronger than the Lebesgue point property, except for a marginal…

Functional Analysis · Mathematics 2024-08-23 M. Ashraf Bhat , G. Sankara Raju Kosuru

In this paper we introduce a certain space of higher order modular forms of weight 0 and show that it has a Hodge structure coming from the geometry of the fundamental group of a modular curve. This generalizes the usual structure on…

Number Theory · Mathematics 2015-05-14 Ramesh Sreekantan

We investigate properties of measures in infinite dimensional spaces in terms of Poincar\'e inequalities. A Poincar\'e inequality states that the $L^2$ variance of an admissible function is controlled by the homogeneous $H^1$ norm. In the…

Probability · Mathematics 2016-05-09 Xin Chen , Xue-Mei Li , Bo Wu

We study mappings with bounded (p,q)-distortion associated to Sobolev spaces on Carnot groups. Mappings of such type have applications to the Sobolev type embedding theory and classification of manifolds. For this class of mappings, we…

Complex Variables · Mathematics 2008-04-29 A. Ukhlov , S. K. Vodopyanov

We prove a Poincar\'e, and a general Sobolev type inequalities for functions with compact support defined on a $k$-rectifiable varifold $V$ defined on a complete Riemannian manifold with positive injectivity radius and sectional curvature…

Metric Geometry · Mathematics 2020-01-28 Julio Cesar Correa Hoyos