Search Results - "Colzani, L."
-
1
Euler–MacLaurin Summation Formula on Polytopes and Expansions in Multivariate Bernoulli Polynomials
Published in The Journal of fourier analysis and applications (01-06-2023)“…We provide a multidimensional weighted Euler–MacLaurin summation formula on polytopes and a multidimensional generalization of a result due to L. J. Mordell on…”
Get full text
Journal Article -
2
Which clinical factors delay proper treatment in panic disorder? A cross‐sectional multicentric study
Published in Early intervention in psychiatry (01-08-2024)“…Aim The aim of the present study was to identify clinical and socio‐demographic factors associated with duration of untreated illness (DUI) in patients…”
Get full text
Journal Article -
3
Variations on a theme of Boole and Stein–Weiss
Published in Journal of mathematical analysis and applications (01-03-2010)“…We give an alternative proof of a theorem of Stein and Weiss: The distribution function of the Hilbert transform of a characteristic function of a set E only…”
Get full text
Journal Article -
4
The rate of convergence of Fourier expansions in the plane: a geometric viewpoint
Published in Mathematische Zeitschrift (01-05-2002)Get full text
Journal Article -
5
Expansions in Legendre polynomials and Lagrange interpolation
Published in Acta mathematica Hungarica (01-01-1993)Get full text
Journal Article -
6
Geometry of the gauss map and lattice points in convex domains
Published in Mathematika (01-12-2001)“…Let Ω be a convex planar domain, with no curvature or regularity assumption on the boundary. Let Nθ(R) = card{RΩθ∩ℤ2}, where Ωθ denotes the rotation of Ω by θ…”
Get full text
Journal Article -
7
The Gibbs Phenomenon for Multiple Fourier Integrals
Published in Journal of approximation theory (01-01-1995)“…Restrict a smooth function to a domain bounded by a smooth surface. We study the summability of the Fourier integral of this function at points near the…”
Get full text
Journal Article -
8
Optimal Bounds on the Modulus of Continuity of the Uncentered Hardy–Littlewood Maximal Function
Published in The Journal of geometric analysis (2012)“…We obtain sharp bounds for the modulus of continuity of the uncentered maximal function in terms of the modulus of continuity of the given function, via…”
Get full text
Journal Article -
9
Equiconvergence Theorems for Fourier-Bessel Expansions with Applications to the Harmonic Analysis of Radial Functions in Euclidean and Noneuclidean Spaces
Published in Transactions of the American Mathematical Society (01-07-1993)“…We shall prove an equiconvergence theorem between Fourier-Bessel expansions of functions in certain weighted Lebesgue spaces and the classical cosine Fourier…”
Get full text
Journal Article -
10
Time Decay and Regularity of Solutions to the Wave Equation and Convergence of Fourier Expansions
Published in The Journal of fourier analysis and applications (01-01-2003)Get full text
Journal Article -
11
Almost everywhere convergence of inverse Fourier transforms
Published in Proceedings of the American Mathematical Society (01-06-2006)“…We show that if \log(2-\Delta)f\in L^2({\mathbb R}^d), then the inverse Fourier transform of f converges almost everywhere. Here the partial integrals in the…”
Get full text
Journal Article -
12
Application of Solid Phase Micro-Extraction (SPME) to the analysis of pesticide residues in vegetables
Published in Pest management science (01-07-2000)“…Solid Phase Micro‐Extraction (SPME) is a new analytical technique, based on capturing the analytes by adsorption onto an organic phase coating a glass fibre,…”
Get full text
Journal Article Conference Proceeding -
13
Approximation of eigenfunctions of elliptic differential operators
Published in Journal of approximation theory (01-07-2003)“…Eigenfunctions of elliptic boundary value problems can be well approximated by entire functions of exponential type and, as a consequence, it is possible to…”
Get full text
Journal Article -
14
Localization and convergence of eigenfunction expansions
Published in The Journal of fourier analysis and applications (01-09-1999)Get full text
Journal Article -
15
Approximation of lebesgue integrals by Riemann sums and lattice points in domains with fractal boundary
Published in Monatshefte für Mathematik (01-01-1997)Get full text
Journal Article -
16
Average decay of Fourier transforms and integer points in polyhedra
Published in Arkiv för matematik (01-10-1997)Get full text
Journal Article -
17
On Koksma-Hlawka inequality
Published 23-06-2011“…The classical Koksma Hlawka inequality does not apply to functions with simple discontinuities. Here we state a Koksma Hlawka type inequality which applies to…”
Get full text
Journal Article -
18
Optimal bounds on the modulus of continuity of the uncentered Hardy-Littlewood maximal function
Published 07-09-2010“…We obtain sharp bounds for the modulus of continuity of the uncentered maximal function in terms of the modulus of continuity of the given function, via…”
Get full text
Journal Article -
19
Regularity of spherical means and localization of spherical harmonic expansions
Published in Journal of the Australian Mathematical Society. Series A, Pure mathematics and statistics (01-12-1986)“…Let G/K be a compact symmetric space, and let G = KAK be a Cartan decomposition of G. For f in L1(G) we define the spherical means f(g, t) = ∫k∫k ∫(gktk′) dk…”
Get full text
Journal Article -
20
Approximation in Hardy spaces
Published in Annali di matematica pura ed applicata (01-12-1984)Get full text
Journal Article