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In this short paper, we establish a range of Caffarelli-Kohn-Nirenberg and weighted $L^{p}$-Sobolev type inequalities on stratified Lie groups. All inequalities are obtained with sharp constants. Moreover, the equivalence of the Sobolev…

Functional Analysis · Mathematics 2017-09-26 Michael Ruzhansky , Durvudkhan Suragan , Nurgissa Yessirkegenov

We establish sharp remainder terms of the $L^{2}$-Caffarelli-Kohn-Niren\-berg inequalities on homogeneous groups, yielding the inequalities with best constants. Our methods also give new sharp Caffarelli-Kohn-Nirenberg type inequalities in…

Functional Analysis · Mathematics 2016-11-16 Michael Ruzhansky , Durvudkhan Suragan

We give sharp remainder terms of $L^{p}$ and weighted Hardy and Rellich inequalities on one of most general subclasses of nilpotent Lie groups, namely the class of homogeneous groups. As consequences, we obtain analogues of the generalised…

Classical Analysis and ODEs · Mathematics 2017-08-14 Michael Ruzhansky , Durvudkhan Suragan

We present a unified approach to obtain Hardy-type inequalities in the context of nilpotent Lie groups with sharp constants. The unified methodology employed herein allows for exploration of the sharp Hardy inequalities on various Lie group…

Functional Analysis · Mathematics 2023-08-04 Durvudkhan Suragan , Nurgissa Yessirkegenov

In this paper we discuss cylindrical extensions of improved Hardy, Sobolev type and Caffarelli-Kohn-Nirenberg type inequalities with sharp constants and identities in the spirit of Badiale-Tarantello [2]. All identities are obtained in the…

Analysis of PDEs · Mathematics 2024-07-12 Madina Kalaman , Nurgissa Yessirkegenov

We prove a range of critical Hardy inequalities and uncertainty type principles on one of most general subclasses of nilpotent Lie groups, namely the class of homogeneous groups. Moreover, we establish a new type of critical Hardy…

Analysis of PDEs · Mathematics 2016-11-08 Michael Ruzhansky , Durvudkhan Suragan

In this paper, we first prove the weighted Levin-Cochran-Lee type inequalities on homogeneous Lie groups for arbitrary weights, quasi-norms, and $L^p$-and $L^q$-norms. Then, we derive a sharp weighted inequality involving specific weights…

Classical Analysis and ODEs · Mathematics 2023-06-08 Michael Ruzhansky , Anjali Shriwastawa , Bankteshwar Tiwari

We establish the Caffarelli-Kohn-Nirenberg type inequalities involving{ super-logarithms (infinitely iterated logarithms).} As a result the critical Caffarelli-Kohn-Nirenberg type inequalities will be improved, and in certain cases the best…

Analysis of PDEs · Mathematics 2023-12-13 Hiroshi Ando , Toshio Horiuchi , Eiichi Nakai

We establish a general identity (Theorem 1.2) that implies both the $L^{p}$-Hardy identities and the $L^{p}$-Caffarelli-Kohn-Nirenberg identities (Theorems 1.3 and 1.4) and $L^{p}$-Hardy inequalities and the…

Analysis of PDEs · Mathematics 2023-10-12 Anh Xuan Do , Joshua Flynn , Nguyen Lam , Guozhen Lu

In this note we prove the reverse Stein-Weiss inequality on general homogeneous Lie groups. The obtained results extend previously known inequalities. Special properties of homogeneous norms and the reverse integral Hardy inequality play…

Analysis of PDEs · Mathematics 2019-12-04 Aidyn Kassymov , Michael Ruzhansky , Durvudkhan Suragan

In this paper we establish a number of geometrical inequalities such as Hardy, Sobolev, Rellich, Hardy-Littlewood-Sobolev, Caffarelli-Kohn-Nirenberg, Gagliardo-Nirenberg inequalities and their critical versions for an ample class of…

Functional Analysis · Mathematics 2024-03-12 Michael Ruzhansky , Nurgissa Yessirkegenov

In the setting of a Lie group of polynomial volume growth, we derive inequalities of Caffarelli-Kohn-Nirenberg type, where the weights involved are powers of the Carnot-Caratheodory distance associated with a fixed system of vector fields…

Classical Analysis and ODEs · Mathematics 2017-07-04 Chokri Yacoub

We give relations between main operators of quantum mechanics on one of most general classes of nilpotent Lie groups. Namely, we show relations between momentum and position operators as well as Euler and Coulomb potential operators on…

Mathematical Physics · Physics 2018-06-26 Michael Ruzhansky , Durvudkhan Suragan

In this paper, we present a sufficient condition on a pair of nonnegative weights $v$ and $w$ such that we have a general weighted $L^{p}$-Hardy type identity. The result, for a certain choice of weights, gives weighted $L^{p}$-Hardy type…

Functional Analysis · Mathematics 2025-10-03 Nurgissa Yessirkegenov , Amir Zhangirbayev

In this paper, we present a version of horizontal weighted Hardy-Rellich type and Caffarelli-Kohn-Nirenberg type inequalities on stratified groups and study some of their consequences. Our results reflect on many results previously known in…

Functional Analysis · Mathematics 2017-01-23 Michael Ruzhansky , Durvudkhan Suragan

In this paper, we apply a direct method instead of a limit approach, for proving the Levin-Cochran-Lee inequalities. First, we state and prove Levin-Cochran-Lee type inequalities on a homogeneous group $\mathbb{G}$ with parameters $0<p\leq…

Functional Analysis · Mathematics 2025-01-09 Michael Ruzhansky , Markos Fisseha Yimer

We first establish a family of sharp Caffarelli-Kohn-Nirenberg type inequalities on the Euclidean spaces and then extend them to the setting of Cartan-Hadamard manifolds with the same best constant. The quantitative version of these…

Functional Analysis · Mathematics 2017-09-20 Van Hoang Nguyen

In this paper we describe the Euler semigroup $\{e^{-t\mathbb{E}^{*}\mathbb{E}}\}_{t>0}$ on homogeneous Lie groups, which allows us to obtain various types of the Hardy-Sobolev and Gagliardo-Nirenberg type inequalities for the Euler…

Functional Analysis · Mathematics 2018-05-07 Michael Ruzhansky , Durvudkhan Suragan , Nurgissa Yessirkegenov

We use a suitable transform related to Sobolev inequality to investigate the sharp constants and optimizers for some Caffarelli-Kohn-Nirenberg-type inequalities which are related to the weighted $p$-Laplace equations. Moreover, we give the…

Analysis of PDEs · Mathematics 2022-12-13 Shengbing Deng , Xingliang Tian

We investigate locally compact topological groups for which a generalized analogue of Heisenberg uncertainty inequality hold. In particular, it is shown that this inequality holds for $\mathbb{R}^n \times K$ (where $K$ is a separable…

Analysis of PDEs · Mathematics 2015-08-12 Ashish Bansal , Ajay Kumar
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