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Related papers: Simplified Inequalities for Fractional Wavelet Fra…

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In this paper, we provide conditions which are sufficient to form composite wavelet frames on the Hilbert space of Euclidean space over R^n

Functional Analysis · Mathematics 2019-02-04 M. Younus Bhat

We provide a general framework for fractional Hardy inequalities. Our framework covers, for instance, fractional inequalities related to the Dirichlet forms of some L\'evy processes, and weighted fractional inequalities on irregular open…

Classical Analysis and ODEs · Mathematics 2021-11-18 Bartłomiej Dyda , Antti V. Vähäkangas

Orthogonal wavelets, or wavelet frames, for L^2(R) are associated with quadrature mirror filters (QMF). The latter constitute a set of complex numbers which relate the dyadic scaling of functions on R to the Z-translates, and which satisfy…

Functional Analysis · Mathematics 2009-09-25 Palle E. T. Jorgensen

We give a new, simpler proof of the fractional Korn's inequality for subsets of $\mathbb{R}^d$. We also show a framework for obtaining Korn's inequality directly from the appropriate Hardy-type inequality.

Functional Analysis · Mathematics 2023-05-31 Artur Rutkowski

This work focuses on an improved fractional Sobolev inequality with a remainder term involving the Hardy-Littlewood-Sobolev inequality which has been proved recently. By extending a recent result on the standard Laplacian to the fractional…

Functional Analysis · Mathematics 2014-07-16 Gaspard Jankowiak , Van Hoang Nguyen

We establish system of equations for single function normalized tight frame wavelets with compact supports associated with $2\times 2$ expansive integral matrices in $L^2(\R^2)$.

Functional Analysis · Mathematics 2016-09-14 Xingde Dai

In this paper, we establish several inequalities for different convex mappings that are connected with the Riemann-Liouville fractional integrals. Our results have some relationships with certain integral inequalities in the literature.

Classical Analysis and ODEs · Mathematics 2014-08-24 M. Emin Özdemir , ÇEtin Yildiz , Havva Kavurmaci

Wavelet frames for $L^2({\mathbb R})$ can be characterized by means of spectral techniques. This work uses spectral formulas to determine all the tight wavelet frames for $L^2({\mathbb R})$ with a fixed finite number of generators of…

Functional Analysis · Mathematics 2019-01-24 F. Gómez-Cubillo , S. Villullas

The fractional Fourier transform (FrFT), which is a generalization of the Fourier transform, has become the focus of many research papers in recent years because of its applications in electrical engineering and optics. In this paper, we…

Functional Analysis · Mathematics 2020-08-21 Owais Ahmad , Neyaz A. Sheikh , Firdous A. Shah

We prove fractional Sobolev-Poincar\'e inequalities, capacitary versions of fractional Poincar\'e inequalities, and pointwise and localized fractional Hardy inequalities in a metric space equipped with a doubling measure. Our results…

Classical Analysis and ODEs · Mathematics 2021-08-17 Bartłomiej Dyda , Juha Lehrbäck , Antti V. Vähäkangas

In this article, we develop a general method for constructing wavelets {|det A_j|^{1/2} g(A_jx-x_{j,k}): j in J, k in K}, on irregular lattices of the form X={x_{j,k} in R^d: j in J, k in K}, and with an arbitrary countable family of…

Classical Analysis and ODEs · Mathematics 2007-05-23 Akram Aldroubi , Carlos Cabrelli , Ursula M. Molter

This work characterizes (dyadic) wavelet frames for $L^2({\mathbb R})$ by means of spectral techniques. These techniques use decomposability properties of the frame operator in spectral representations associated to the dilation operator.…

Functional Analysis · Mathematics 2019-01-24 F. Gómez-Cubillo , S. Villullas

Fractional spline wavelet systems are considered in the work. Molecular structure of elements of such systems admits estimates connecting norms of fractional integrals' images and pre--images in Besov spaces.

Functional Analysis · Mathematics 2021-09-14 Elena P. Ushakova , Kristina E. Ushakova

We will give some regularity results about fractional diffusion-wave equations.

Analysis of PDEs · Mathematics 2021-08-10 Paola Loreti , Daniela Sforza

We prove several Sobolev inequalities, which are then used to establish a fractional Hardy-Sobolev- Maz'ya inequality on the upper halfspace.

Functional Analysis · Mathematics 2015-03-17 Craig A. Sloane

In this paper we formulate a weighted version of minimum problem (1.4) on the sphere and we show that, for $K\le L$, if $\set{\phi_k}^K_{k=1}$ consists of the spherical functions with degree less than $N$ we can localize the points…

Classical Analysis and ODEs · Mathematics 2008-08-11 Margit Pap

Many known Radon-type transforms of symmetric (radial or zonal) functions are represented by one-dimensional Riemann-Liouville fractional integrals or their modifications. The present article contains new examples of such transforms in the…

Functional Analysis · Mathematics 2024-12-31 Boris Rubin

In this paper, we have studied continuous fractional wavelet transform (CFrWT) in $n$-dimensional Euclidean space $\mathbb{R}^n$ with dilation parameter $\boldsymbol a=(a_{1},a_{2},\ldots,a_{n}),$ such that none of $a_{i}'s$ are zero.…

Functional Analysis · Mathematics 2019-12-20 Amit K. Verma , Bivek Gupta

We provide a characterization of wavelets on local fields of positive characteristic based on results on affine and quasi affine frames. This result generalizes the characterization of wavelets on Euclidean spaces by means of two basic…

Functional Analysis · Mathematics 2013-12-03 Biswaranjan Behera , Qaiser Jahan

An introductory theory of frames on finite dimensional quaternion Hilbert spaces is demonstrated along the lines of their complex counterpart.

Mathematical Physics · Physics 2017-02-23 M. Khokulan , K. Thirulogasanthar , S. Srisatkunarajah
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