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Related papers: Uncertainty principles on nilpotent Lie groups

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We establish analogues of Hardy's theorem for Gabor transform on locally compact abelian groups, Euclidean motion group and several general classes of nilpotent Lie groups which include Heisenberg groups, thread-like nilpotent Lie groups,…

Representation Theory · Mathematics 2017-04-04 Ashish Bansal , Ajay Kumar

We show that Hardy's uncertainty principle can be reformulated in such a way that it has an analogue even for compact Lie groups and symmetric spaces of compact type.

Functional Analysis · Mathematics 2013-12-05 Sundaram Thangavelu

Classes of locally compact groups having qualitative uncertainty principle for Gabor transform have been investigated. These include Moore groups, Heisenberg Group $\mathbb{H}_n, \mathbb{H}_{n} \times D,$ where $D$ is discrete group and…

Representation Theory · Mathematics 2017-04-03 Jyoti Sharma , Ajay Kumar

Classical results due to Ingham and Paley-Wiener characterize the existence of nonzero functions supported on certain subsets of the real line in terms of the pointwise decay of the Fourier transforms. We view these results as uncertainty…

Functional Analysis · Mathematics 2016-06-01 Mithun Bhowmik , Swagato K. Ray , Suparna Sen

A version of Paley-Wiener like theorem for connected, simply connected nilpotent Lie groups is proven.

funct-an · Mathematics 2008-02-03 Vladimir V. Kisil

We discuss the Qualitative Uncertainty Principle for Gabor transform on certain classes of the locally compact groups, like abelian groups, $\mathbb{R}^n\times K$, $K \ltimes \mathbb{R}^n$ where $K$ is compact group. We shall also prove a…

Representation Theory · Mathematics 2015-08-25 Ashish Bansal , Ajay Kumar

We formulate and prove an analogue of Beurling's theorem for the Fourier transform on the Heisenberg group. As a consequence we deduce Hardy and Cowling-Price theorems.

Classical Analysis and ODEs · Mathematics 2021-07-12 Sundaram Thangavelu

The two-sided quaternion Fourier transform satisfies some uncertainty principles similar to the Euclidean Fourier transform. A generalization of Beurling's theorem, Hardy, Cowling-Price and Gelfand-Shilov theorems, is obtained for the…

Classical Analysis and ODEs · Mathematics 2019-02-18 Youssef El Haoui , Said Fahlaoui

We discuss Heisenberg uncertainty inequality for groups of the form $K \ltimes \mathbb{R}^n$, $K$ is a separable unimodular locally compact group of type I. This inequality is also proved for Gabor transform for several classes of groups of…

Representation Theory · Mathematics 2015-07-03 Ashish Bansal , Ajay Kumar

In this paper, we estabish an analogue of Hardy's theorem and Miyachi's theorem for the Clifford-Fourier transform.

Classical Analysis and ODEs · Mathematics 2016-04-01 Jamel El Kamel , Rim Jday

In this paper, we provide the Heisenberg's inequality and the Hardy's theorem for the Clifford-Fourier transform on $\mathbb{R}^m$.

Classical Analysis and ODEs · Mathematics 2015-06-17 Jamel El Kamel , Rim Jday

By comparing a function and its $(k, \frac{2}{n})-$Fourier transform to a Gaussian analogue, $e^{-na|x|^\frac{2}{n}}$, we establish a Hardy-type uncertainty principle using Phragm\'en-Lindl\"of lemma. Furthermore, we investigate the heat…

Classical Analysis and ODEs · Mathematics 2026-04-21 Hanen Jilani , Selma Negzaoui

We prove an analogue of Beurling's theorem on the H-type groups of certain dimensions after establishing the Gutzmer's formula for the H-type groups. We also obtain some other versions of the theorem using the modified Radon transform.

Functional Analysis · Mathematics 2025-05-22 Aparajita Dasgupta , Prerna Gulia , Sanjoy Pusti , Sundaram Thangavelu

Classical results due to Ingham and Paley-Wiener characterize the existence of nonzero functions supported on certain subsets of the real line in terms of the pointwise decay of the Fourier transforms. Viewing these results as uncertainty…

Functional Analysis · Mathematics 2016-06-08 Mithun Bhowmik , Suparna Sen

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

We define lacunary Fourier series on a compact connected semisimple Lie group $G$. If $f \in L^1(G)$ has lacunary Fourier series, and vanishes on a non empty open set, then we prove that $f$ vanishes identically. This may be viewed as a…

Functional Analysis · Mathematics 2010-07-08 E K Narayanan , A Sitaram

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 provide the Heisenberg's inequality and the Hardy's theorem for the two-sided quaternion Fourier transform.

Classical Analysis and ODEs · Mathematics 2019-10-08 Youssef El Haoui , Said Fahlaoui

Ulam asked whether every connected Lie group can be represented on a countable structure. This is known in the linear case. We establish it for the first family of non-linear groups, namely in the nilpotent case. Further context is…

Group Theory · Mathematics 2021-10-11 Nicolas Monod

For unbounded operators A,B and C in general, with C closure of [A,B] does not lead to the uncertainty relation ||Au|| ||Bu|| >= |<C u,u> |/2. If A,B and C are part of the generators of a unitary representation of a Lie group then the…

Differential Geometry · Mathematics 2007-05-23 Jens Gerlach Christensen
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