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In this paper we establish a version of the Paley-Wiener theorem of Fourier analysis in the frame of the Mellin transform. We provide two different proofs, one involving complex analysis arguments, namely the Riemann surface of the…

Classical Analysis and ODEs · Mathematics 2015-09-29 Carlo Bardaro , Paul L. Butzer , Ilaria Mantellini , Gerhard Schmeisser

A general construction of transmutation operators is developed for selfadjoint operators in Gelfand triples. Theorems regarding analyticity of generalized eigenfunctions and Paley-Wiener properties are proved.

funct-an · Mathematics 2016-08-31 A. Boumenir , R. Carroll

We first characterize the image of the compactly supported smooth even functions under the q-Weinstein transform as a subspace of the Schwartz space. We then describe the space of smooth $L_{\alpha, q, a}^{2}$-functions whose q-Weinstein…

Functional Analysis · Mathematics 2020-05-04 Youssef Bettaibi , Hassen Ben Mohamed

We extend the Paley-Wiener pertubation theory to linear operators mapping a subspace of one Banach space into another Banach space.

Functional Analysis · Mathematics 2009-09-25 Peter G. Casazza , Nigel J. Kalton

We formulate and prove a version of Paley-Wiener theorem for the inverse Fourier transform on non-compact Riemannian symmetric spaces and Heisenberg groups. The main ingredient in the proof is the Gutzmer's formula.

Functional Analysis · Mathematics 2007-05-23 Sundaram Thangavelu

In this paper we present generalisations of Paley-Wiener type theorems to Mellin and (Laplace-)Fourier transforms of rapidly decreasing smooth functions with positive support and log-polyhomogeneous asymptotic expansion at zero. This…

Functional Analysis · Mathematics 2016-09-20 Cesar del Corral

The Weinstein operator has several applications in pure and applied Mathematics especially in Fluid Mechanics and satisfies some uncertainty principles similar to the Euclidean Fourier transform. The aim of this paper is establish a…

Analysis of PDEs · Mathematics 2021-01-14 Ahmed Saoudi

The aim of this article is to give an overview of several types of Paley-Wiener theorems occuring in harmonic analysis related to symmetric spaces. This will serve as a motivation for the introduction of the $\Theta$-spherical functions,…

Representation Theory · Mathematics 2007-05-23 G. Olafsson , A. Pasquale

We systematically develop real Paley-Wiener theory for the Fourier transform on R^d for Schwartz functions, L^p-functions and distributions, in an elementary treatment based on the inversion theorem. As an application, we show how versions…

Functional Analysis · Mathematics 2023-05-31 Nils Byrial Andersen , Marcel de Jeu

We conjecture a geometrical form of the Paley-Wiener theorem for the Dunkl transform and prove three instances thereof, one of which involves a limit transition from Opdam's results for the graded Hecke algebra. Furthermore, the connection…

Classical Analysis and ODEs · Mathematics 2023-05-31 Marcel de Jeu

The theorem is proved that generalizes the Gelfand generalization of the Paley-Wiener tauberian theorem to general abelian topological semigroups with invariant measure. Several corollaries of this theorem are given.

Functional Analysis · Mathematics 2019-09-04 A. R. Mirotin

In this paper we introduce the notion of a Weinstein two-wavelet. Then we establish and prove the resolution of the identity formula for the Weinstein continuous wavelet transform. Next, we give results on Calder\'on's type reproducing…

Analysis of PDEs · Mathematics 2022-09-08 Ahmed Saoudi

We prove two theorems of Paley and Wiener in the slice regular setting. As an application, we can compute the reproducing kernel for the slice regular Paley-Wiener space, and obtain a related sampling theorem.

Complex Variables · Mathematics 2025-04-17 Yanshuai Hao , Pei Dang , Weixiong Mai

The $\Theta$-spherical functions generalize the spherical functions on Riemannian symmetric spaces and the spherical functions on non-compactly causal symmetric spaces. In this article we consider the case of even multiplicity functions. We…

Functional Analysis · Mathematics 2007-05-23 Gestur Olafsson , Angela Pasquale

Here we give a new approach to the Paley--Wiener theorem in a Mellin analysis setting which avoids the use of the Riemann surface of the logarithm and analytical branches and is based on new concepts of "polar-analytic function" in the…

Functional Analysis · Mathematics 2017-06-02 Carlo Bardaro , Paul L. Butzer , Ilaria Mantellini , G. Schmeisser

In this paper, we study the Babenko-Bechner-type inequality for the Fourier Weinstein transform associated with the Weinstein operator. We use this inequality to establish a new version of Young's type inequality.

Functional Analysis · Mathematics 2022-07-14 Meniar Haddad , Wafa Djobbi

In this work we define operator-valued Fourier transforms for suitable integrable elements with respect to the Plancherel weight of a (not necessarily Abelian) locally compact group. Our main result is a generalized version of the Fourier…

Functional Analysis · Mathematics 2009-03-26 Alcides Buss

We obtain Hausdorff-Young inequalities for the one-dimensional Cherednik--Opdam transform and its inverse, and we establish a real Paley-Wiener theorem for its inverse that generalizes an analogous result by N. B. Andersen for the Jacobi…

Classical Analysis and ODEs · Mathematics 2015-02-05 Troels Roussau Johansen

We prove a genuine analogue of Wiener Tauberian theorem for hypergeometric transforms. As an application we prove analogue of Furstenberg theorem on Harmonic functions.

Functional Analysis · Mathematics 2015-09-09 Sanjoy Pusti , Amit Samanta

In this paper we present another proofs of the geometrical forms of Paley-Wiener theorems for the Dunkl transform given in [15], and we prove inversion formulas for the Dunl interwining operator Vk and for its dual tVk and we deduce the…

Classical Analysis and ODEs · Mathematics 2007-05-23 Khalifa Trimeche
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