Results 21 to 30 of about 243,897 (100)

Revisiting Beurling's theorem for Dunkl transform [PDF]

open access: yes, 2015
peer reviewedWe prove an analogue of Beurling's theorem in the setting of Dunkl transform, which improves the theorem of Kawazoe-Mejjaoli (\cite{Kawazoe})
PUSTI, Sanjoy
core   +1 more source

An Analogue of Beurling-Hörmander’s Theorem for the Dunkl-Bessel Transform [PDF]

open access: yes, 2006
We establish an analogue of Beurling-Hörmander’s theorem for the Dunkl-Bessel transform FD,B on R(d+1,+). We deduce an analogue of Gelfand-Shilov, Hardy, Cowling-Price and Morgan theorems on R(d+1,+) by using the heat kernel associated to the Dunkl ...
Mejjaoli, Hatem
core   +1 more source

Dunkl translations, Dunkl-type $BMO$ space and Riesz transforms for Dunkl transform on $L^\infty$ [PDF]

open access: yes, 2021
In this paper, we will give some results on the support of Dunkl translations on compactly supported functions. Then we will define Dunkl-type $BMO$ space and Riesz transforms for Dunkl transform on $L^\infty$, and prove the boundedness of Riesz ...
Teng, Wentao, Wentao Teng
core   +1 more source

Approximation results on Dunkl generalization of Phillips operators via q-calculus

open access: yesAdvances in Difference Equations, 2019
The main purpose of this paper is to construct q-Phillips operators generated by Dunkl generalization. We prove several results of Korovkin type and estimate the order of convergence in terms of several moduli of continuity.
Md. Nasiruzzaman   +2 more
doaj   +1 more source

Quantitative Dunkl analogue of Szász-Mirakyan operators

open access: yes, 2021
The main object of this paper is to introduce a sequence of quantitative Dunkl analogue Szasz-Mirakyan operators. Firstly, we have defined mentioned operators and have obtained test values and central moments for our operators.
Serdal Yazıcı   +7 more
core   +1 more source

On Some Inequalities in Normed Linear Spaces [PDF]

open access: yes, 2007
Upper and lower bounds for the norm of a linear combination of vectors are given. Applications in obtaining various inequalities for the quantities ||x/||x|| - y/||y|| || and ||x/||y|| - y/||x|| ||, where x and y are nonzero vectors, that are related ...
Dragomir, Sever S
core   +3 more sources

Dynamical symmetries of the Calogero–Coulomb model

open access: yesNuclear Physics B
We construct the dynamical symmetry of the N-particle quantum Calogero model with particle exchange in a confining Coulomb field. This symmetry is governed by the algebra so(N+1,2), deformed by exchange (Dunkl) operators, with its invariant sector ...
Tigran Hakobyan
doaj   +1 more source

Hankel transform, K-Bessel functions and zeta distributions in the Dunkl setting [PDF]

open access: yes, 2023
We study analytic aspects of the Dunkl-type Hankel transform, which goes back to Baker and Forrester and, in an earlier symmetrized version, to Macdonald.
Brennecken, Dominik
core  

Bilinear biorthogonal expansions and the Dunkl kernel on the real line [PDF]

open access: yes, 2012
We study an extension of the classical Paley–Wiener space structure, which is based on bilinear expansions of integral kernels into biorthogonal sequences of functions.
Óscar Ciaurri   +11 more
core   +1 more source

The Variability of Fungicide Efficacy

open access: yesPlant Pathology, Volume 75, Issue 5, September‐October 2026.
Analysing the data set generated by AHDB in the fungicide performance trials project, covering 25 years and 3–6 sites, we find that (i) intrinsic differences between the fungicide modes of action analysed do not affect the variability in efficacy, (ii) intrinsic differences between the pathogens analysed do not affect the efficacy variability, and (iii)
Frank van den Bosch   +2 more
wiley   +1 more source

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